Home / 178,136.12-267,179.34-45,008.30

Finding the Fourth Proportional to 178,136.12, 267,179.34 and 45,008.30

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Solution

The fourth proportional to 178,136.12, 267,179.34 and 45,008.30 is: 67,506.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,136.12 : 267,179.34 = 45,008.30 : x
  2. Step 2: Convert to fraction form
    178,136.12/267,179.34 = 45,008.30/x
  3. Step 3: Cross multiply
    178,136.12x = 267,179.34 × 45,008.30
  4. Step 4: Simplify right side
    178,136.12x = 12,025,287,888.52
  5. Step 5: Solve for x
    x = 12,025,287,888.52/178,136.12
  6. Step 6: Final answer
    x = 67,506.17

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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.