Home / 112,831.92-169,252.52-93,073.68

Finding the Fourth Proportional to 112,831.92, 169,252.52 and 93,073.68

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Solution

The fourth proportional to 112,831.92, 169,252.52 and 93,073.68 is: 139,614.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,831.92 : 169,252.52 = 93,073.68 : x
  2. Step 2: Convert to fraction form
    112,831.92/169,252.52 = 93,073.68/x
  3. Step 3: Cross multiply
    112,831.92x = 169,252.52 × 93,073.68
  4. Step 4: Simplify right side
    112,831.92x = 15,752,954,885.67
  5. Step 5: Solve for x
    x = 15,752,954,885.67/112,831.92
  6. Step 6: Final answer
    x = 139,614.35

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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.