Home / 159,789.48-220,470.12-97,684.36

Finding the Fourth Proportional to 159,789.48, 220,470.12 and 97,684.36

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Solution

The fourth proportional to 159,789.48, 220,470.12 and 97,684.36 is: 134,780.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,789.48 : 220,470.12 = 97,684.36 : x
  2. Step 2: Convert to fraction form
    159,789.48/220,470.12 = 97,684.36/x
  3. Step 3: Cross multiply
    159,789.48x = 220,470.12 × 97,684.36
  4. Step 4: Simplify right side
    159,789.48x = 21,536,482,571.32
  5. Step 5: Solve for x
    x = 21,536,482,571.32/159,789.48
  6. Step 6: Final answer
    x = 134,780.35

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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.