Home / 178,146.78-267,026.99-89,185.74

Finding the Fourth Proportional to 178,146.78, 267,026.99 and 89,185.74

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Solution

The fourth proportional to 178,146.78, 267,026.99 and 89,185.74 is: 133,681.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,146.78 : 267,026.99 = 89,185.74 : x
  2. Step 2: Convert to fraction form
    178,146.78/267,026.99 = 89,185.74/x
  3. Step 3: Cross multiply
    178,146.78x = 267,026.99 × 89,185.74
  4. Step 4: Simplify right side
    178,146.78x = 23,814,999,257.19
  5. Step 5: Solve for x
    x = 23,814,999,257.19/178,146.78
  6. Step 6: Final answer
    x = 133,681.90

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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.