Home / 161,108.64-222,329.99-89,495.34

Finding the Fourth Proportional to 161,108.64, 222,329.99 and 89,495.34

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Solution

The fourth proportional to 161,108.64, 222,329.99 and 89,495.34 is: 123,503.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,108.64 : 222,329.99 = 89,495.34 : x
  2. Step 2: Convert to fraction form
    161,108.64/222,329.99 = 89,495.34/x
  3. Step 3: Cross multiply
    161,108.64x = 222,329.99 × 89,495.34
  4. Step 4: Simplify right side
    161,108.64x = 19,897,498,047.25
  5. Step 5: Solve for x
    x = 19,897,498,047.25/161,108.64
  6. Step 6: Final answer
    x = 123,503.61

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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.