Home / 124,922.32-172,344.36-79,592.20

Finding the Fourth Proportional to 124,922.32, 172,344.36 and 79,592.20

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Solution

The fourth proportional to 124,922.32, 172,344.36 and 79,592.20 is: 109,806.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,922.32 : 172,344.36 = 79,592.20 : x
  2. Step 2: Convert to fraction form
    124,922.32/172,344.36 = 79,592.20/x
  3. Step 3: Cross multiply
    124,922.32x = 172,344.36 × 79,592.20
  4. Step 4: Simplify right side
    124,922.32x = 13,717,266,769.99
  5. Step 5: Solve for x
    x = 13,717,266,769.99/124,922.32
  6. Step 6: Final answer
    x = 109,806.37

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1.5x scale

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.