Home / 130,277.40-195,279.30-82,928.76

Finding the Fourth Proportional to 130,277.40, 195,279.30 and 82,928.76

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Solution

The fourth proportional to 130,277.40, 195,279.30 and 82,928.76 is: 124,306.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,277.40 : 195,279.30 = 82,928.76 : x
  2. Step 2: Convert to fraction form
    130,277.40/195,279.30 = 82,928.76/x
  3. Step 3: Cross multiply
    130,277.40x = 195,279.30 × 82,928.76
  4. Step 4: Simplify right side
    130,277.40x = 16,194,270,202.67
  5. Step 5: Solve for x
    x = 16,194,270,202.67/130,277.40
  6. Step 6: Final answer
    x = 124,306.06

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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.