Home / 138,076.04-207,111.98-62,120.94

Finding the Fourth Proportional to 138,076.04, 207,111.98 and 62,120.94

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Solution

The fourth proportional to 138,076.04, 207,111.98 and 62,120.94 is: 93,180.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,076.04 : 207,111.98 = 62,120.94 : x
  2. Step 2: Convert to fraction form
    138,076.04/207,111.98 = 62,120.94/x
  3. Step 3: Cross multiply
    138,076.04x = 207,111.98 × 62,120.94
  4. Step 4: Simplify right side
    138,076.04x = 12,865,990,572.26
  5. Step 5: Solve for x
    x = 12,865,990,572.26/138,076.04
  6. Step 6: Final answer
    x = 93,180.47

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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.