Home / 382,127.20-526,424.12-267,190.78

Finding the Fourth Proportional to 382,127.20, 526,424.12 and 267,190.78

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Solution

The fourth proportional to 382,127.20, 526,424.12 and 267,190.78 is: 368,086.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,127.20 : 526,424.12 = 267,190.78 : x
  2. Step 2: Convert to fraction form
    382,127.20/526,424.12 = 267,190.78/x
  3. Step 3: Cross multiply
    382,127.20x = 526,424.12 × 267,190.78
  4. Step 4: Simplify right side
    382,127.20x = 140,655,671,233.61
  5. Step 5: Solve for x
    x = 140,655,671,233.61/382,127.20
  6. Step 6: Final answer
    x = 368,086.00

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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.