Home / 150,197.88-207,272.04-86,534.30

Finding the Fourth Proportional to 150,197.88, 207,272.04 and 86,534.30

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Solution

The fourth proportional to 150,197.88, 207,272.04 and 86,534.30 is: 119,416.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,197.88 : 207,272.04 = 86,534.30 : x
  2. Step 2: Convert to fraction form
    150,197.88/207,272.04 = 86,534.30/x
  3. Step 3: Cross multiply
    150,197.88x = 207,272.04 × 86,534.30
  4. Step 4: Simplify right side
    150,197.88x = 17,936,140,890.97
  5. Step 5: Solve for x
    x = 17,936,140,890.97/150,197.88
  6. Step 6: Final answer
    x = 119,416.74

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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.