Home / 126,518.80-174,595.92-69,158.34

Finding the Fourth Proportional to 126,518.80, 174,595.92 and 69,158.34

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Solution

The fourth proportional to 126,518.80, 174,595.92 and 69,158.34 is: 95,438.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,518.80 : 174,595.92 = 69,158.34 : x
  2. Step 2: Convert to fraction form
    126,518.80/174,595.92 = 69,158.34/x
  3. Step 3: Cross multiply
    126,518.80x = 174,595.92 × 69,158.34
  4. Step 4: Simplify right side
    126,518.80x = 12,074,764,373.17
  5. Step 5: Solve for x
    x = 12,074,764,373.17/126,518.80
  6. Step 6: Final answer
    x = 95,438.50

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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.