Home / 127,270.24-175,720.80-79,545.04

Finding the Fourth Proportional to 127,270.24, 175,720.80 and 79,545.04

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Solution

The fourth proportional to 127,270.24, 175,720.80 and 79,545.04 is: 109,827.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,270.24 : 175,720.80 = 79,545.04 : x
  2. Step 2: Convert to fraction form
    127,270.24/175,720.80 = 79,545.04/x
  3. Step 3: Cross multiply
    127,270.24x = 175,720.80 × 79,545.04
  4. Step 4: Simplify right side
    127,270.24x = 13,977,718,064.83
  5. Step 5: Solve for x
    x = 13,977,718,064.83/127,270.24
  6. Step 6: Final answer
    x = 109,827.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.