Home / 161,764.28-223,236.33-89,169.75

Finding the Fourth Proportional to 161,764.28, 223,236.33 and 89,169.75

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Solution

The fourth proportional to 161,764.28, 223,236.33 and 89,169.75 is: 123,055.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,764.28 : 223,236.33 = 89,169.75 : x
  2. Step 2: Convert to fraction form
    161,764.28/223,236.33 = 89,169.75/x
  3. Step 3: Cross multiply
    161,764.28x = 223,236.33 × 89,169.75
  4. Step 4: Simplify right side
    161,764.28x = 19,905,927,737.02
  5. Step 5: Solve for x
    x = 19,905,927,737.02/161,764.28
  6. Step 6: Final answer
    x = 123,055.15

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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.