Home / 126,587.86-189,715.68-93,151.36

Finding the Fourth Proportional to 126,587.86, 189,715.68 and 93,151.36

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Solution

The fourth proportional to 126,587.86, 189,715.68 and 93,151.36 is: 139,604.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,587.86 : 189,715.68 = 93,151.36 : x
  2. Step 2: Convert to fraction form
    126,587.86/189,715.68 = 93,151.36/x
  3. Step 3: Cross multiply
    126,587.86x = 189,715.68 × 93,151.36
  4. Step 4: Simplify right side
    126,587.86x = 17,672,273,605.32
  5. Step 5: Solve for x
    x = 17,672,273,605.32/126,587.86
  6. Step 6: Final answer
    x = 139,604.81

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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.