Home / 220,385.46-304,138.35-124,888.98

Finding the Fourth Proportional to 220,385.46, 304,138.35 and 124,888.98

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Solution

The fourth proportional to 220,385.46, 304,138.35 and 124,888.98 is: 172,350.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,385.46 : 304,138.35 = 124,888.98 : x
  2. Step 2: Convert to fraction form
    220,385.46/304,138.35 = 124,888.98/x
  3. Step 3: Cross multiply
    220,385.46x = 304,138.35 × 124,888.98
  4. Step 4: Simplify right side
    220,385.46x = 37,983,528,310.38
  5. Step 5: Solve for x
    x = 37,983,528,310.38/220,385.46
  6. Step 6: Final answer
    x = 172,350.43

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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.