Home / 161,160.66-222,170.74-113,265.36

Finding the Fourth Proportional to 161,160.66, 222,170.74 and 113,265.36

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Solution

The fourth proportional to 161,160.66, 222,170.74 and 113,265.36 is: 156,143.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,160.66 : 222,170.74 = 113,265.36 : x
  2. Step 2: Convert to fraction form
    161,160.66/222,170.74 = 113,265.36/x
  3. Step 3: Cross multiply
    161,160.66x = 222,170.74 × 113,265.36
  4. Step 4: Simplify right side
    161,160.66x = 25,164,248,847.57
  5. Step 5: Solve for x
    x = 25,164,248,847.57/161,160.66
  6. Step 6: Final answer
    x = 156,143.87

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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.