Home / 113,157.44-156,159.86-62,173.35

Finding the Fourth Proportional to 113,157.44, 156,159.86 and 62,173.35

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Solution

The fourth proportional to 113,157.44, 156,159.86 and 62,173.35 is: 85,800.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,157.44 : 156,159.86 = 62,173.35 : x
  2. Step 2: Convert to fraction form
    113,157.44/156,159.86 = 62,173.35/x
  3. Step 3: Cross multiply
    113,157.44x = 156,159.86 × 62,173.35
  4. Step 4: Simplify right side
    113,157.44x = 9,708,981,320.86
  5. Step 5: Solve for x
    x = 9,708,981,320.86/113,157.44
  6. Step 6: Final answer
    x = 85,800.65

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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.