Home / 161,960.16-223,505.28-90,344.76

Finding the Fourth Proportional to 161,960.16, 223,505.28 and 90,344.76

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Solution

The fourth proportional to 161,960.16, 223,505.28 and 90,344.76 is: 124,675.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,960.16 : 223,505.28 = 90,344.76 : x
  2. Step 2: Convert to fraction form
    161,960.16/223,505.28 = 90,344.76/x
  3. Step 3: Cross multiply
    161,960.16x = 223,505.28 × 90,344.76
  4. Step 4: Simplify right side
    161,960.16x = 20,192,530,880.33
  5. Step 5: Solve for x
    x = 20,192,530,880.33/161,960.16
  6. Step 6: Final answer
    x = 124,675.91

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Double scale
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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.