Home / 161,949.18-223,490.24-90,333.84

Finding the Fourth Proportional to 161,949.18, 223,490.24 and 90,333.84

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Solution

The fourth proportional to 161,949.18, 223,490.24 and 90,333.84 is: 124,660.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,949.18 : 223,490.24 = 90,333.84 : x
  2. Step 2: Convert to fraction form
    161,949.18/223,490.24 = 90,333.84/x
  3. Step 3: Cross multiply
    161,949.18x = 223,490.24 × 90,333.84
  4. Step 4: Simplify right side
    161,949.18x = 20,188,731,581.72
  5. Step 5: Solve for x
    x = 20,188,731,581.72/161,949.18
  6. Step 6: Final answer
    x = 124,660.91

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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.