Home / 159,120.46-219,587.82-87,500.98

Finding the Fourth Proportional to 159,120.46, 219,587.82 and 87,500.98

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Solution

The fourth proportional to 159,120.46, 219,587.82 and 87,500.98 is: 120,752.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,120.46 : 219,587.82 = 87,500.98 : x
  2. Step 2: Convert to fraction form
    159,120.46/219,587.82 = 87,500.98/x
  3. Step 3: Cross multiply
    159,120.46x = 219,587.82 × 87,500.98
  4. Step 4: Simplify right side
    159,120.46x = 19,214,149,446.06
  5. Step 5: Solve for x
    x = 19,214,149,446.06/159,120.46
  6. Step 6: Final answer
    x = 120,752.22

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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.