Home / 112,831.39-169,251.77-93,073.15

Finding the Fourth Proportional to 112,831.39, 169,251.77 and 93,073.15

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Solution

The fourth proportional to 112,831.39, 169,251.77 and 93,073.15 is: 139,613.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,831.39 : 169,251.77 = 93,073.15 : x
  2. Step 2: Convert to fraction form
    112,831.39/169,251.77 = 93,073.15/x
  3. Step 3: Cross multiply
    112,831.39x = 169,251.77 × 93,073.15
  4. Step 4: Simplify right side
    112,831.39x = 15,752,795,376.98
  5. Step 5: Solve for x
    x = 15,752,795,376.98/112,831.39
  6. Step 6: Final answer
    x = 139,613.59

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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.