Home / 113,831.34-156,941.22-93,337.91

Finding the Fourth Proportional to 113,831.34, 156,941.22 and 93,337.91

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Solution

The fourth proportional to 113,831.34, 156,941.22 and 93,337.91 is: 128,686.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,831.34 : 156,941.22 = 93,337.91 : x
  2. Step 2: Convert to fraction form
    113,831.34/156,941.22 = 93,337.91/x
  3. Step 3: Cross multiply
    113,831.34x = 156,941.22 × 93,337.91
  4. Step 4: Simplify right side
    113,831.34x = 14,648,565,032.96
  5. Step 5: Solve for x
    x = 14,648,565,032.96/113,831.34
  6. Step 6: Final answer
    x = 128,686.57

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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.