Home / 113,831.26-156,941.10-93,337.81

Finding the Fourth Proportional to 113,831.26, 156,941.10 and 93,337.81

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Solution

The fourth proportional to 113,831.26, 156,941.10 and 93,337.81 is: 128,686.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,831.26 : 156,941.10 = 93,337.81 : x
  2. Step 2: Convert to fraction form
    113,831.26/156,941.10 = 93,337.81/x
  3. Step 3: Cross multiply
    113,831.26x = 156,941.10 × 93,337.81
  4. Step 4: Simplify right side
    113,831.26x = 14,648,538,572.99
  5. Step 5: Solve for x
    x = 14,648,538,572.99/113,831.26
  6. Step 6: Final answer
    x = 128,686.43

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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.