Home / 255,278,712.29-352,294,019.62-142,258,360.41

Finding the Fourth Proportional to 255,278,712.29, 352,294,019.62 and 142,258,360.41

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Solution

The fourth proportional to 255,278,712.29, 352,294,019.62 and 142,258,360.41 is: 196,321,773.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,278,712.29 : 352,294,019.62 = 142,258,360.41 : x
  2. Step 2: Convert to fraction form
    255,278,712.29/352,294,019.62 = 142,258,360.41/x
  3. Step 3: Cross multiply
    255,278,712.29x = 352,294,019.62 × 142,258,360.41
  4. Step 4: Simplify right side
    255,278,712.29x = 50,116,769,613,033,928
  5. Step 5: Solve for x
    x = 50,116,769,613,033,928/255,278,712.29
  6. Step 6: Final answer
    x = 196,321,773.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.