Home / 177,925.38-266,888.07-72,719.75

Finding the Fourth Proportional to 177,925.38, 266,888.07 and 72,719.75

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Solution

The fourth proportional to 177,925.38, 266,888.07 and 72,719.75 is: 109,079.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,925.38 : 266,888.07 = 72,719.75 : x
  2. Step 2: Convert to fraction form
    177,925.38/266,888.07 = 72,719.75/x
  3. Step 3: Cross multiply
    177,925.38x = 266,888.07 × 72,719.75
  4. Step 4: Simplify right side
    177,925.38x = 19,408,033,242.96
  5. Step 5: Solve for x
    x = 19,408,033,242.96/177,925.38
  6. Step 6: Final answer
    x = 109,079.62

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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.