Home / 159,195.04-219,685.80-87,573.76

Finding the Fourth Proportional to 159,195.04, 219,685.80 and 87,573.76

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Solution

The fourth proportional to 159,195.04, 219,685.80 and 87,573.76 is: 120,849.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,195.04 : 219,685.80 = 87,573.76 : x
  2. Step 2: Convert to fraction form
    159,195.04/219,685.80 = 87,573.76/x
  3. Step 3: Cross multiply
    159,195.04x = 219,685.80 × 87,573.76
  4. Step 4: Simplify right side
    159,195.04x = 19,238,711,524.61
  5. Step 5: Solve for x
    x = 19,238,711,524.61/159,195.04
  6. Step 6: Final answer
    x = 120,849.94

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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.