Home / 150,255.48-207,350.64-86,599.20

Finding the Fourth Proportional to 150,255.48, 207,350.64 and 86,599.20

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Solution

The fourth proportional to 150,255.48, 207,350.64 and 86,599.20 is: 119,505.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,255.48 : 207,350.64 = 86,599.20 : x
  2. Step 2: Convert to fraction form
    150,255.48/207,350.64 = 86,599.20/x
  3. Step 3: Cross multiply
    150,255.48x = 207,350.64 × 86,599.20
  4. Step 4: Simplify right side
    150,255.48x = 17,956,399,543.49
  5. Step 5: Solve for x
    x = 17,956,399,543.49/150,255.48
  6. Step 6: Final answer
    x = 119,505.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.