Home / 121,000.20-181,550.16-53,496.73

Finding the Fourth Proportional to 121,000.20, 181,550.16 and 53,496.73

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Solution

The fourth proportional to 121,000.20, 181,550.16 and 53,496.73 is: 80,267.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,000.20 : 181,550.16 = 53,496.73 : x
  2. Step 2: Convert to fraction form
    121,000.20/181,550.16 = 53,496.73/x
  3. Step 3: Cross multiply
    121,000.20x = 181,550.16 × 53,496.73
  4. Step 4: Simplify right side
    121,000.20x = 9,712,339,890.98
  5. Step 5: Solve for x
    x = 9,712,339,890.98/121,000.20
  6. Step 6: Final answer
    x = 80,267.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.