Home / 178,313.59-267,557.46-78,461.25

Finding the Fourth Proportional to 178,313.59, 267,557.46 and 78,461.25

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Solution

The fourth proportional to 178,313.59, 267,557.46 and 78,461.25 is: 117,730.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,313.59 : 267,557.46 = 78,461.25 : x
  2. Step 2: Convert to fraction form
    178,313.59/267,557.46 = 78,461.25/x
  3. Step 3: Cross multiply
    178,313.59x = 267,557.46 × 78,461.25
  4. Step 4: Simplify right side
    178,313.59x = 20,992,892,758.43
  5. Step 5: Solve for x
    x = 20,992,892,758.43/178,313.59
  6. Step 6: Final answer
    x = 117,730.19

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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.