Home / 169,788.13-254,681.92-45,129.13

Finding the Fourth Proportional to 169,788.13, 254,681.92 and 45,129.13

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Solution

The fourth proportional to 169,788.13, 254,681.92 and 45,129.13 is: 67,693.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,788.13 : 254,681.92 = 45,129.13 : x
  2. Step 2: Convert to fraction form
    169,788.13/254,681.92 = 45,129.13/x
  3. Step 3: Cross multiply
    169,788.13x = 254,681.92 × 45,129.13
  4. Step 4: Simplify right side
    169,788.13x = 11,493,573,476.33
  5. Step 5: Solve for x
    x = 11,493,573,476.33/169,788.13
  6. Step 6: Final answer
    x = 67,693.62

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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.