Home / 126,681.03-174,743.66-83,660.92

Finding the Fourth Proportional to 126,681.03, 174,743.66 and 83,660.92

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Solution

The fourth proportional to 126,681.03, 174,743.66 and 83,660.92 is: 115,401.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,681.03 : 174,743.66 = 83,660.92 : x
  2. Step 2: Convert to fraction form
    126,681.03/174,743.66 = 83,660.92/x
  3. Step 3: Cross multiply
    126,681.03x = 174,743.66 × 83,660.92
  4. Step 4: Simplify right side
    126,681.03x = 14,619,215,359.77
  5. Step 5: Solve for x
    x = 14,619,215,359.77/126,681.03
  6. Step 6: Final answer
    x = 115,401.77

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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.