Home / 113,587.57-170,118.78-109,650.97

Finding the Fourth Proportional to 113,587.57, 170,118.78 and 109,650.97

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Solution

The fourth proportional to 113,587.57, 170,118.78 and 109,650.97 is: 164,222.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,587.57 : 170,118.78 = 109,650.97 : x
  2. Step 2: Convert to fraction form
    113,587.57/170,118.78 = 109,650.97/x
  3. Step 3: Cross multiply
    113,587.57x = 170,118.78 × 109,650.97
  4. Step 4: Simplify right side
    113,587.57x = 18,653,689,242.22
  5. Step 5: Solve for x
    x = 18,653,689,242.22/113,587.57
  6. Step 6: Final answer
    x = 164,222.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.