Home / 112,280.53-154,997.65-74,062.71

Finding the Fourth Proportional to 112,280.53, 154,997.65 and 74,062.71

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Solution

The fourth proportional to 112,280.53, 154,997.65 and 74,062.71 is: 102,239.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,280.53 : 154,997.65 = 74,062.71 : x
  2. Step 2: Convert to fraction form
    112,280.53/154,997.65 = 74,062.71/x
  3. Step 3: Cross multiply
    112,280.53x = 154,997.65 × 74,062.71
  4. Step 4: Simplify right side
    112,280.53x = 11,479,545,227.64
  5. Step 5: Solve for x
    x = 11,479,545,227.64/112,280.53
  6. Step 6: Final answer
    x = 102,239.86

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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.