Home / 159,946.30-220,724.49-88,326.91

Finding the Fourth Proportional to 159,946.30, 220,724.49 and 88,326.91

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Solution

The fourth proportional to 159,946.30, 220,724.49 and 88,326.91 is: 121,890.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,946.30 : 220,724.49 = 88,326.91 : x
  2. Step 2: Convert to fraction form
    159,946.30/220,724.49 = 88,326.91/x
  3. Step 3: Cross multiply
    159,946.30x = 220,724.49 × 88,326.91
  4. Step 4: Simplify right side
    159,946.30x = 19,495,912,163.03
  5. Step 5: Solve for x
    x = 19,495,912,163.03/159,946.30
  6. Step 6: Final answer
    x = 121,890.36

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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.