Home / 161,116.57-222,340.75-89,503.26

Finding the Fourth Proportional to 161,116.57, 222,340.75 and 89,503.26

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Solution

The fourth proportional to 161,116.57, 222,340.75 and 89,503.26 is: 123,514.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,116.57 : 222,340.75 = 89,503.26 : x
  2. Step 2: Convert to fraction form
    161,116.57/222,340.75 = 89,503.26/x
  3. Step 3: Cross multiply
    161,116.57x = 222,340.75 × 89,503.26
  4. Step 4: Simplify right side
    161,116.57x = 19,900,221,955.85
  5. Step 5: Solve for x
    x = 19,900,221,955.85/161,116.57
  6. Step 6: Final answer
    x = 123,514.43

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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.