Home / 225,624.10-338,436.15-186,225.70

Finding the Fourth Proportional to 225,624.10, 338,436.15 and 186,225.70

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Solution

The fourth proportional to 225,624.10, 338,436.15 and 186,225.70 is: 279,338.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,624.10 : 338,436.15 = 186,225.70 : x
  2. Step 2: Convert to fraction form
    225,624.10/338,436.15 = 186,225.70/x
  3. Step 3: Cross multiply
    225,624.10x = 338,436.15 × 186,225.70
  4. Step 4: Simplify right side
    225,624.10x = 63,025,508,939.06
  5. Step 5: Solve for x
    x = 63,025,508,939.06/225,624.10
  6. Step 6: Final answer
    x = 279,338.55

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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.