Home / 124,737.57-172,319.99-107,941.41

Finding the Fourth Proportional to 124,737.57, 172,319.99 and 107,941.41

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Solution

The fourth proportional to 124,737.57, 172,319.99 and 107,941.41 is: 149,116.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,737.57 : 172,319.99 = 107,941.41 : x
  2. Step 2: Convert to fraction form
    124,737.57/172,319.99 = 107,941.41/x
  3. Step 3: Cross multiply
    124,737.57x = 172,319.99 × 107,941.41
  4. Step 4: Simplify right side
    124,737.57x = 18,600,462,152.08
  5. Step 5: Solve for x
    x = 18,600,462,152.08/124,737.57
  6. Step 6: Final answer
    x = 149,116.76

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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.