Home / 113,288.58-156,332.23-65,542.73

Finding the Fourth Proportional to 113,288.58, 156,332.23 and 65,542.73

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Solution

The fourth proportional to 113,288.58, 156,332.23 and 65,542.73 is: 90,445.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,288.58 : 156,332.23 = 65,542.73 : x
  2. Step 2: Convert to fraction form
    113,288.58/156,332.23 = 65,542.73/x
  3. Step 3: Cross multiply
    113,288.58x = 156,332.23 × 65,542.73
  4. Step 4: Simplify right side
    113,288.58x = 10,246,440,195.67
  5. Step 5: Solve for x
    x = 10,246,440,195.67/113,288.58
  6. Step 6: Final answer
    x = 90,445.48

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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.