Home / 161,280.05-222,571.29-88,679.17

Finding the Fourth Proportional to 161,280.05, 222,571.29 and 88,679.17

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Solution

The fourth proportional to 161,280.05, 222,571.29 and 88,679.17 is: 122,379.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,280.05 : 222,571.29 = 88,679.17 : x
  2. Step 2: Convert to fraction form
    161,280.05/222,571.29 = 88,679.17/x
  3. Step 3: Cross multiply
    161,280.05x = 222,571.29 × 88,679.17
  4. Step 4: Simplify right side
    161,280.05x = 19,737,437,873.79
  5. Step 5: Solve for x
    x = 19,737,437,873.79/161,280.05
  6. Step 6: Final answer
    x = 122,379.91

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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.