Home / 291,785.13-402,655.45-162,727.52

Finding the Fourth Proportional to 291,785.13, 402,655.45 and 162,727.52

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Solution

The fourth proportional to 291,785.13, 402,655.45 and 162,727.52 is: 224,559.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,785.13 : 402,655.45 = 162,727.52 : x
  2. Step 2: Convert to fraction form
    291,785.13/402,655.45 = 162,727.52/x
  3. Step 3: Cross multiply
    291,785.13x = 402,655.45 × 162,727.52
  4. Step 4: Simplify right side
    291,785.13x = 65,523,122,792.98
  5. Step 5: Solve for x
    x = 65,523,122,792.98/291,785.13
  6. Step 6: Final answer
    x = 224,559.50

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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.