Home / 161,462.11-222,817.71-89,846.74

Finding the Fourth Proportional to 161,462.11, 222,817.71 and 89,846.74

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Solution

The fourth proportional to 161,462.11, 222,817.71 and 89,846.74 is: 123,988.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,462.11 : 222,817.71 = 89,846.74 : x
  2. Step 2: Convert to fraction form
    161,462.11/222,817.71 = 89,846.74/x
  3. Step 3: Cross multiply
    161,462.11x = 222,817.71 × 89,846.74
  4. Step 4: Simplify right side
    161,462.11x = 20,019,445,847.19
  5. Step 5: Solve for x
    x = 20,019,445,847.19/161,462.11
  6. Step 6: Final answer
    x = 123,988.51

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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.