Home / 222,974.28-307,702.18-124,857.72

Finding the Fourth Proportional to 222,974.28, 307,702.18 and 124,857.72

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Solution

The fourth proportional to 222,974.28, 307,702.18 and 124,857.72 is: 172,302.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,974.28 : 307,702.18 = 124,857.72 : x
  2. Step 2: Convert to fraction form
    222,974.28/307,702.18 = 124,857.72/x
  3. Step 3: Cross multiply
    222,974.28x = 307,702.18 × 124,857.72
  4. Step 4: Simplify right side
    222,974.28x = 38,418,992,633.83
  5. Step 5: Solve for x
    x = 38,418,992,633.83/222,974.28
  6. Step 6: Final answer
    x = 172,302.35

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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.