Home / 178,001.40-267,002.10-53,326.20

Finding the Fourth Proportional to 178,001.40, 267,002.10 and 53,326.20

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Solution

The fourth proportional to 178,001.40, 267,002.10 and 53,326.20 is: 79,989.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,001.40 : 267,002.10 = 53,326.20 : x
  2. Step 2: Convert to fraction form
    178,001.40/267,002.10 = 53,326.20/x
  3. Step 3: Cross multiply
    178,001.40x = 267,002.10 × 53,326.20
  4. Step 4: Simplify right side
    178,001.40x = 14,238,207,385.02
  5. Step 5: Solve for x
    x = 14,238,207,385.02/178,001.40
  6. Step 6: Final answer
    x = 79,989.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.