Home / 128,566.42-192,974.02-62,053.38

Finding the Fourth Proportional to 128,566.42, 192,974.02 and 62,053.38

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Solution

The fourth proportional to 128,566.42, 192,974.02 and 62,053.38 is: 93,140.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,566.42 : 192,974.02 = 62,053.38 : x
  2. Step 2: Convert to fraction form
    128,566.42/192,974.02 = 62,053.38/x
  3. Step 3: Cross multiply
    128,566.42x = 192,974.02 × 62,053.38
  4. Step 4: Simplify right side
    128,566.42x = 11,974,690,038.05
  5. Step 5: Solve for x
    x = 11,974,690,038.05/128,566.42
  6. Step 6: Final answer
    x = 93,140.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.