Home / 304,830.30-457,245.45-186,635.10

Finding the Fourth Proportional to 304,830.30, 457,245.45 and 186,635.10

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Solution

The fourth proportional to 304,830.30, 457,245.45 and 186,635.10 is: 279,952.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,830.30 : 457,245.45 = 186,635.10 : x
  2. Step 2: Convert to fraction form
    304,830.30/457,245.45 = 186,635.10/x
  3. Step 3: Cross multiply
    304,830.30x = 457,245.45 × 186,635.10
  4. Step 4: Simplify right side
    304,830.30x = 85,338,050,285.30
  5. Step 5: Solve for x
    x = 85,338,050,285.30/304,830.30
  6. Step 6: Final answer
    x = 279,952.65

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Similar ratio
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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.