Home / 102,618.20-153,927.30-95,619.80

Finding the Fourth Proportional to 102,618.20, 153,927.30 and 95,619.80

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Solution

The fourth proportional to 102,618.20, 153,927.30 and 95,619.80 is: 143,429.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,618.20 : 153,927.30 = 95,619.80 : x
  2. Step 2: Convert to fraction form
    102,618.20/153,927.30 = 95,619.80/x
  3. Step 3: Cross multiply
    102,618.20x = 153,927.30 × 95,619.80
  4. Step 4: Simplify right side
    102,618.20x = 14,718,497,640.54
  5. Step 5: Solve for x
    x = 14,718,497,640.54/102,618.20
  6. Step 6: Final answer
    x = 143,429.70

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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.