Home / 113,274.55-156,322.78-62,289.20

Finding the Fourth Proportional to 113,274.55, 156,322.78 and 62,289.20

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Solution

The fourth proportional to 113,274.55, 156,322.78 and 62,289.20 is: 85,961.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,274.55 : 156,322.78 = 62,289.20 : x
  2. Step 2: Convert to fraction form
    113,274.55/156,322.78 = 62,289.20/x
  3. Step 3: Cross multiply
    113,274.55x = 156,322.78 × 62,289.20
  4. Step 4: Simplify right side
    113,274.55x = 9,737,220,752.25
  5. Step 5: Solve for x
    x = 9,737,220,752.25/113,274.55
  6. Step 6: Final answer
    x = 85,961.24

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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.