Home / 207,434.80-311,152.20-204,482.35

Finding the Fourth Proportional to 207,434.80, 311,152.20 and 204,482.35

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Solution

The fourth proportional to 207,434.80, 311,152.20 and 204,482.35 is: 306,723.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,434.80 : 311,152.20 = 204,482.35 : x
  2. Step 2: Convert to fraction form
    207,434.80/311,152.20 = 204,482.35/x
  3. Step 3: Cross multiply
    207,434.80x = 311,152.20 × 204,482.35
  4. Step 4: Simplify right side
    207,434.80x = 63,625,133,063.67
  5. Step 5: Solve for x
    x = 63,625,133,063.67/207,434.80
  6. Step 6: Final answer
    x = 306,723.53

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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.