Home / 304,454.20-420,315.69-183,625.96

Finding the Fourth Proportional to 304,454.20, 420,315.69 and 183,625.96

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Solution

The fourth proportional to 304,454.20, 420,315.69 and 183,625.96 is: 253,505.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,454.20 : 420,315.69 = 183,625.96 : x
  2. Step 2: Convert to fraction form
    304,454.20/420,315.69 = 183,625.96/x
  3. Step 3: Cross multiply
    304,454.20x = 420,315.69 × 183,625.96
  4. Step 4: Simplify right side
    304,454.20x = 77,180,872,079.31
  5. Step 5: Solve for x
    x = 77,180,872,079.31/304,454.20
  6. Step 6: Final answer
    x = 253,505.69

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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.