Home / 255,247.89-352,228.71-140,504.12

Finding the Fourth Proportional to 255,247.89, 352,228.71 and 140,504.12

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Solution

The fourth proportional to 255,247.89, 352,228.71 and 140,504.12 is: 193,888.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,247.89 : 352,228.71 = 140,504.12 : x
  2. Step 2: Convert to fraction form
    255,247.89/352,228.71 = 140,504.12/x
  3. Step 3: Cross multiply
    255,247.89x = 352,228.71 × 140,504.12
  4. Step 4: Simplify right side
    255,247.89x = 49,489,584,937.29
  5. Step 5: Solve for x
    x = 49,489,584,937.29/255,247.89
  6. Step 6: Final answer
    x = 193,888.32

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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.