Home / 150,492.06-207,700.20-93,149.78

Finding the Fourth Proportional to 150,492.06, 207,700.20 and 93,149.78

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Solution

The fourth proportional to 150,492.06, 207,700.20 and 93,149.78 is: 128,559.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,492.06 : 207,700.20 = 93,149.78 : x
  2. Step 2: Convert to fraction form
    150,492.06/207,700.20 = 93,149.78/x
  3. Step 3: Cross multiply
    150,492.06x = 207,700.20 × 93,149.78
  4. Step 4: Simplify right side
    150,492.06x = 19,347,227,935.96
  5. Step 5: Solve for x
    x = 19,347,227,935.96/150,492.06
  6. Step 6: Final answer
    x = 128,559.79

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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.