Home / 115,760.20-173,640.30-101,475.40

Finding the Fourth Proportional to 115,760.20, 173,640.30 and 101,475.40

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Solution

The fourth proportional to 115,760.20, 173,640.30 and 101,475.40 is: 152,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,760.20 : 173,640.30 = 101,475.40 : x
  2. Step 2: Convert to fraction form
    115,760.20/173,640.30 = 101,475.40/x
  3. Step 3: Cross multiply
    115,760.20x = 173,640.30 × 101,475.40
  4. Step 4: Simplify right side
    115,760.20x = 17,620,218,898.62
  5. Step 5: Solve for x
    x = 17,620,218,898.62/115,760.20
  6. Step 6: Final answer
    x = 152,213.10

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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.