Home / 150,521.31-207,725.97-90,080.46

Finding the Fourth Proportional to 150,521.31, 207,725.97 and 90,080.46

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Solution

The fourth proportional to 150,521.31, 207,725.97 and 90,080.46 is: 124,314.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,521.31 : 207,725.97 = 90,080.46 : x
  2. Step 2: Convert to fraction form
    150,521.31/207,725.97 = 90,080.46/x
  3. Step 3: Cross multiply
    150,521.31x = 207,725.97 × 90,080.46
  4. Step 4: Simplify right side
    150,521.31x = 18,712,050,931.55
  5. Step 5: Solve for x
    x = 18,712,050,931.55/150,521.31
  6. Step 6: Final answer
    x = 124,314.96

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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.