Home / 126,534.76-189,802.38-37,781.29

Finding the Fourth Proportional to 126,534.76, 189,802.38 and 37,781.29

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Solution

The fourth proportional to 126,534.76, 189,802.38 and 37,781.29 is: 56,672.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,534.76 : 189,802.38 = 37,781.29 : x
  2. Step 2: Convert to fraction form
    126,534.76/189,802.38 = 37,781.29/x
  3. Step 3: Cross multiply
    126,534.76x = 189,802.38 × 37,781.29
  4. Step 4: Simplify right side
    126,534.76x = 7,170,978,761.47
  5. Step 5: Solve for x
    x = 7,170,978,761.47/126,534.76
  6. Step 6: Final answer
    x = 56,672.01

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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.