Home / 178,106.16-267,158.52-72,925.20

Finding the Fourth Proportional to 178,106.16, 267,158.52 and 72,925.20

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Solution

The fourth proportional to 178,106.16, 267,158.52 and 72,925.20 is: 109,387.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,106.16 : 267,158.52 = 72,925.20 : x
  2. Step 2: Convert to fraction form
    178,106.16/267,158.52 = 72,925.20/x
  3. Step 3: Cross multiply
    178,106.16x = 267,158.52 × 72,925.20
  4. Step 4: Simplify right side
    178,106.16x = 19,482,588,502.70
  5. Step 5: Solve for x
    x = 19,482,588,502.70/178,106.16
  6. Step 6: Final answer
    x = 109,387.51

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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.