Home / 126,335.81-174,343.65-69,747.23

Finding the Fourth Proportional to 126,335.81, 174,343.65 and 69,747.23

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Solution

The fourth proportional to 126,335.81, 174,343.65 and 69,747.23 is: 96,251.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,335.81 : 174,343.65 = 69,747.23 : x
  2. Step 2: Convert to fraction form
    126,335.81/174,343.65 = 69,747.23/x
  3. Step 3: Cross multiply
    126,335.81x = 174,343.65 × 69,747.23
  4. Step 4: Simplify right side
    126,335.81x = 12,159,986,655.59
  5. Step 5: Solve for x
    x = 12,159,986,655.59/126,335.81
  6. Step 6: Final answer
    x = 96,251.31

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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.