Home / 161,013.56-222,199.20-89,393.76

Finding the Fourth Proportional to 161,013.56, 222,199.20 and 89,393.76

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Solution

The fourth proportional to 161,013.56, 222,199.20 and 89,393.76 is: 123,363.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,013.56 : 222,199.20 = 89,393.76 : x
  2. Step 2: Convert to fraction form
    161,013.56/222,199.20 = 89,393.76/x
  3. Step 3: Cross multiply
    161,013.56x = 222,199.20 × 89,393.76
  4. Step 4: Simplify right side
    161,013.56x = 19,863,221,956.99
  5. Step 5: Solve for x
    x = 19,863,221,956.99/161,013.56
  6. Step 6: Final answer
    x = 123,363.66

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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.