Home / 127,152.66-175,504.95-79,377.24

Finding the Fourth Proportional to 127,152.66, 175,504.95 and 79,377.24

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Solution

The fourth proportional to 127,152.66, 175,504.95 and 79,377.24 is: 109,561.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,152.66 : 175,504.95 = 79,377.24 : x
  2. Step 2: Convert to fraction form
    127,152.66/175,504.95 = 79,377.24/x
  3. Step 3: Cross multiply
    127,152.66x = 175,504.95 × 79,377.24
  4. Step 4: Simplify right side
    127,152.66x = 13,931,098,537.34
  5. Step 5: Solve for x
    x = 13,931,098,537.34/127,152.66
  6. Step 6: Final answer
    x = 109,561.99

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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.