Home / 161,677.14-223,121.33-90,057.18

Finding the Fourth Proportional to 161,677.14, 223,121.33 and 90,057.18

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Solution

The fourth proportional to 161,677.14, 223,121.33 and 90,057.18 is: 124,282.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,677.14 : 223,121.33 = 90,057.18 : x
  2. Step 2: Convert to fraction form
    161,677.14/223,121.33 = 90,057.18/x
  3. Step 3: Cross multiply
    161,677.14x = 223,121.33 × 90,057.18
  4. Step 4: Simplify right side
    161,677.14x = 20,093,677,777.65
  5. Step 5: Solve for x
    x = 20,093,677,777.65/161,677.14
  6. Step 6: Final answer
    x = 124,282.74

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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.