Home / 128,564.17-192,970.64-62,051.13

Finding the Fourth Proportional to 128,564.17, 192,970.64 and 62,051.13

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Solution

The fourth proportional to 128,564.17, 192,970.64 and 62,051.13 is: 93,136.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,564.17 : 192,970.64 = 62,051.13 : x
  2. Step 2: Convert to fraction form
    128,564.17/192,970.64 = 62,051.13/x
  3. Step 3: Cross multiply
    128,564.17x = 192,970.64 × 62,051.13
  4. Step 4: Simplify right side
    128,564.17x = 11,974,046,423.95
  5. Step 5: Solve for x
    x = 11,974,046,423.95/128,564.17
  6. Step 6: Final answer
    x = 93,136.73

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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.