Home / 98,126.20-147,117.30-38,932.60

Finding the Fourth Proportional to 98,126.20, 147,117.30 and 38,932.60

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Solution

The fourth proportional to 98,126.20, 147,117.30 and 38,932.60 is: 58,370.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,126.20 : 147,117.30 = 38,932.60 : x
  2. Step 2: Convert to fraction form
    98,126.20/147,117.30 = 38,932.60/x
  3. Step 3: Cross multiply
    98,126.20x = 147,117.30 × 38,932.60
  4. Step 4: Simplify right side
    98,126.20x = 5,727,658,993.98
  5. Step 5: Solve for x
    x = 5,727,658,993.98/98,126.20
  6. Step 6: Final answer
    x = 58,370.33

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1.5x scale

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.