Home / 140,569.24-193,990.17-76,905.58

Finding the Fourth Proportional to 140,569.24, 193,990.17 and 76,905.58

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Solution

The fourth proportional to 140,569.24, 193,990.17 and 76,905.58 is: 106,132.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,569.24 : 193,990.17 = 76,905.58 : x
  2. Step 2: Convert to fraction form
    140,569.24/193,990.17 = 76,905.58/x
  3. Step 3: Cross multiply
    140,569.24x = 193,990.17 × 76,905.58
  4. Step 4: Simplify right side
    140,569.24x = 14,918,926,341.57
  5. Step 5: Solve for x
    x = 14,918,926,341.57/140,569.24
  6. Step 6: Final answer
    x = 106,132.23

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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.