Home / 255,189.32-352,158.36-140,465.51

Finding the Fourth Proportional to 255,189.32, 352,158.36 and 140,465.51

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Solution

The fourth proportional to 255,189.32, 352,158.36 and 140,465.51 is: 193,840.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,189.32 : 352,158.36 = 140,465.51 : x
  2. Step 2: Convert to fraction form
    255,189.32/352,158.36 = 140,465.51/x
  3. Step 3: Cross multiply
    255,189.32x = 352,158.36 × 140,465.51
  4. Step 4: Simplify right side
    255,189.32x = 49,466,103,638.16
  5. Step 5: Solve for x
    x = 49,466,103,638.16/255,189.32
  6. Step 6: Final answer
    x = 193,840.81

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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.