Home / 144,030.15-198,721.76-93,044.90

Finding the Fourth Proportional to 144,030.15, 198,721.76 and 93,044.90

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Solution

The fourth proportional to 144,030.15, 198,721.76 and 93,044.90 is: 128,376.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,030.15 : 198,721.76 = 93,044.90 : x
  2. Step 2: Convert to fraction form
    144,030.15/198,721.76 = 93,044.90/x
  3. Step 3: Cross multiply
    144,030.15x = 198,721.76 × 93,044.90
  4. Step 4: Simplify right side
    144,030.15x = 18,490,046,318.60
  5. Step 5: Solve for x
    x = 18,490,046,318.60/144,030.15
  6. Step 6: Final answer
    x = 128,376.22

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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.