Home / 150,160.28-207,267.32-86,540.45

Finding the Fourth Proportional to 150,160.28, 207,267.32 and 86,540.45

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Solution

The fourth proportional to 150,160.28, 207,267.32 and 86,540.45 is: 119,452.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,160.28 : 207,267.32 = 86,540.45 : x
  2. Step 2: Convert to fraction form
    150,160.28/207,267.32 = 86,540.45/x
  3. Step 3: Cross multiply
    150,160.28x = 207,267.32 × 86,540.45
  4. Step 4: Simplify right side
    150,160.28x = 17,937,006,710.39
  5. Step 5: Solve for x
    x = 17,937,006,710.39/150,160.28
  6. Step 6: Final answer
    x = 119,452.41

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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.