Home / 205,997.47-284,253.02-115,340.83

Finding the Fourth Proportional to 205,997.47, 284,253.02 and 115,340.83

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Solution

The fourth proportional to 205,997.47, 284,253.02 and 115,340.83 is: 159,157.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,997.47 : 284,253.02 = 115,340.83 : x
  2. Step 2: Convert to fraction form
    205,997.47/284,253.02 = 115,340.83/x
  3. Step 3: Cross multiply
    205,997.47x = 284,253.02 × 115,340.83
  4. Step 4: Simplify right side
    205,997.47x = 32,785,978,680.10
  5. Step 5: Solve for x
    x = 32,785,978,680.10/205,997.47
  6. Step 6: Final answer
    x = 159,157.19

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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.