Home / 99,306.30-136,911.02-82,247.70

Finding the Fourth Proportional to 99,306.30, 136,911.02 and 82,247.70

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Solution

The fourth proportional to 99,306.30, 136,911.02 and 82,247.70 is: 113,392.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,306.30 : 136,911.02 = 82,247.70 : x
  2. Step 2: Convert to fraction form
    99,306.30/136,911.02 = 82,247.70/x
  3. Step 3: Cross multiply
    99,306.30x = 136,911.02 × 82,247.70
  4. Step 4: Simplify right side
    99,306.30x = 11,260,616,499.65
  5. Step 5: Solve for x
    x = 11,260,616,499.65/99,306.30
  6. Step 6: Final answer
    x = 113,392.77

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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.