Home / 130,542.20-195,813.30-89,070.20

Finding the Fourth Proportional to 130,542.20, 195,813.30 and 89,070.20

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Solution

The fourth proportional to 130,542.20, 195,813.30 and 89,070.20 is: 133,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,542.20 : 195,813.30 = 89,070.20 : x
  2. Step 2: Convert to fraction form
    130,542.20/195,813.30 = 89,070.20/x
  3. Step 3: Cross multiply
    130,542.20x = 195,813.30 × 89,070.20
  4. Step 4: Simplify right side
    130,542.20x = 17,441,129,793.66
  5. Step 5: Solve for x
    x = 17,441,129,793.66/130,542.20
  6. Step 6: Final answer
    x = 133,605.30

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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.