Home / 153,439.40-230,158.62-69,100.85

Finding the Fourth Proportional to 153,439.40, 230,158.62 and 69,100.85

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Solution

The fourth proportional to 153,439.40, 230,158.62 and 69,100.85 is: 103,651.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,439.40 : 230,158.62 = 69,100.85 : x
  2. Step 2: Convert to fraction form
    153,439.40/230,158.62 = 69,100.85/x
  3. Step 3: Cross multiply
    153,439.40x = 230,158.62 × 69,100.85
  4. Step 4: Simplify right side
    153,439.40x = 15,904,155,126.03
  5. Step 5: Solve for x
    x = 15,904,155,126.03/153,439.40
  6. Step 6: Final answer
    x = 103,651.05

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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.