Home / 174,523.71-261,543.35-79,521.72

Finding the Fourth Proportional to 174,523.71, 261,543.35 and 79,521.72

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Solution

The fourth proportional to 174,523.71, 261,543.35 and 79,521.72 is: 119,172.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,523.71 : 261,543.35 = 79,521.72 : x
  2. Step 2: Convert to fraction form
    174,523.71/261,543.35 = 79,521.72/x
  3. Step 3: Cross multiply
    174,523.71x = 261,543.35 × 79,521.72
  4. Step 4: Simplify right side
    174,523.71x = 20,798,377,046.56
  5. Step 5: Solve for x
    x = 20,798,377,046.56/174,523.71
  6. Step 6: Final answer
    x = 119,172.21

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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.