Home / 178,631.72-267,953.25-89,836.69

Finding the Fourth Proportional to 178,631.72, 267,953.25 and 89,836.69

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Solution

The fourth proportional to 178,631.72, 267,953.25 and 89,836.69 is: 134,757.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,631.72 : 267,953.25 = 89,836.69 : x
  2. Step 2: Convert to fraction form
    178,631.72/267,953.25 = 89,836.69/x
  3. Step 3: Cross multiply
    178,631.72x = 267,953.25 × 89,836.69
  4. Step 4: Simplify right side
    178,631.72x = 24,072,033,054.74
  5. Step 5: Solve for x
    x = 24,072,033,054.74/178,631.72
  6. Step 6: Final answer
    x = 134,757.89

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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.