Home / 143,883.43-215,824.80-38,702.50

Finding the Fourth Proportional to 143,883.43, 215,824.80 and 38,702.50

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Solution

The fourth proportional to 143,883.43, 215,824.80 and 38,702.50 is: 58,053.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,883.43 : 215,824.80 = 38,702.50 : x
  2. Step 2: Convert to fraction form
    143,883.43/215,824.80 = 38,702.50/x
  3. Step 3: Cross multiply
    143,883.43x = 215,824.80 × 38,702.50
  4. Step 4: Simplify right side
    143,883.43x = 8,352,959,322
  5. Step 5: Solve for x
    x = 8,352,959,322/143,883.43
  6. Step 6: Final answer
    x = 58,053.66

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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.