Home / 153,445.05-230,019.94-78,600.44

Finding the Fourth Proportional to 153,445.05, 230,019.94 and 78,600.44

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Solution

The fourth proportional to 153,445.05, 230,019.94 and 78,600.44 is: 117,825.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,445.05 : 230,019.94 = 78,600.44 : x
  2. Step 2: Convert to fraction form
    153,445.05/230,019.94 = 78,600.44/x
  3. Step 3: Cross multiply
    153,445.05x = 230,019.94 × 78,600.44
  4. Step 4: Simplify right side
    153,445.05x = 18,079,668,723.95
  5. Step 5: Solve for x
    x = 18,079,668,723.95/153,445.05
  6. Step 6: Final answer
    x = 117,825.04

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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.