Home / 159,217.34-219,711.76-87,595.52

Finding the Fourth Proportional to 159,217.34, 219,711.76 and 87,595.52

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Solution

The fourth proportional to 159,217.34, 219,711.76 and 87,595.52 is: 120,877.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,217.34 : 219,711.76 = 87,595.52 : x
  2. Step 2: Convert to fraction form
    159,217.34/219,711.76 = 87,595.52/x
  3. Step 3: Cross multiply
    159,217.34x = 219,711.76 × 87,595.52
  4. Step 4: Simplify right side
    159,217.34x = 19,245,764,549.77
  5. Step 5: Solve for x
    x = 19,245,764,549.77/159,217.34
  6. Step 6: Final answer
    x = 120,877.32

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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.