Home / 161,860.38-223,362.72-90,238.92

Finding the Fourth Proportional to 161,860.38, 223,362.72 and 90,238.92

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Solution

The fourth proportional to 161,860.38, 223,362.72 and 90,238.92 is: 124,527.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,860.38 : 223,362.72 = 90,238.92 : x
  2. Step 2: Convert to fraction form
    161,860.38/223,362.72 = 90,238.92/x
  3. Step 3: Cross multiply
    161,860.38x = 223,362.72 × 90,238.92
  4. Step 4: Simplify right side
    161,860.38x = 20,156,010,621.06
  5. Step 5: Solve for x
    x = 20,156,010,621.06/161,860.38
  6. Step 6: Final answer
    x = 124,527.14

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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.