Home / 126,333.68-174,335.91-69,743.84

Finding the Fourth Proportional to 126,333.68, 174,335.91 and 69,743.84

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Solution

The fourth proportional to 126,333.68, 174,335.91 and 69,743.84 is: 96,243.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,333.68 : 174,335.91 = 69,743.84 : x
  2. Step 2: Convert to fraction form
    126,333.68/174,335.91 = 69,743.84/x
  3. Step 3: Cross multiply
    126,333.68x = 174,335.91 × 69,743.84
  4. Step 4: Simplify right side
    126,333.68x = 12,158,855,813.29
  5. Step 5: Solve for x
    x = 12,158,855,813.29/126,333.68
  6. Step 6: Final answer
    x = 96,243.98

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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.