Home / 159,113.25-219,576.33-87,498.18

Finding the Fourth Proportional to 159,113.25, 219,576.33 and 87,498.18

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Solution

The fourth proportional to 159,113.25, 219,576.33 and 87,498.18 is: 120,747.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,113.25 : 219,576.33 = 87,498.18 : x
  2. Step 2: Convert to fraction form
    159,113.25/219,576.33 = 87,498.18/x
  3. Step 3: Cross multiply
    159,113.25x = 219,576.33 × 87,498.18
  4. Step 4: Simplify right side
    159,113.25x = 19,212,529,246.08
  5. Step 5: Solve for x
    x = 19,212,529,246.08/159,113.25
  6. Step 6: Final answer
    x = 120,747.51

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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.