Home / 113,272.89-156,320.58-62,289.51

Finding the Fourth Proportional to 113,272.89, 156,320.58 and 62,289.51

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Solution

The fourth proportional to 113,272.89, 156,320.58 and 62,289.51 is: 85,961.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,272.89 : 156,320.58 = 62,289.51 : x
  2. Step 2: Convert to fraction form
    113,272.89/156,320.58 = 62,289.51/x
  3. Step 3: Cross multiply
    113,272.89x = 156,320.58 × 62,289.51
  4. Step 4: Simplify right side
    113,272.89x = 9,737,132,331.12
  5. Step 5: Solve for x
    x = 9,737,132,331.12/113,272.89
  6. Step 6: Final answer
    x = 85,961.72

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1.5x scale

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.