Home / 160,890.88-222,026.56-89,269.66

Finding the Fourth Proportional to 160,890.88, 222,026.56 and 89,269.66

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Solution

The fourth proportional to 160,890.88, 222,026.56 and 89,269.66 is: 123,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,890.88 : 222,026.56 = 89,269.66 : x
  2. Step 2: Convert to fraction form
    160,890.88/222,026.56 = 89,269.66/x
  3. Step 3: Cross multiply
    160,890.88x = 222,026.56 × 89,269.66
  4. Step 4: Simplify right side
    160,890.88x = 19,820,235,522.17
  5. Step 5: Solve for x
    x = 19,820,235,522.17/160,890.88
  6. Step 6: Final answer
    x = 123,190.55

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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.