Home / 161,176.13-222,418.66-89,554.31

Finding the Fourth Proportional to 161,176.13, 222,418.66 and 89,554.31

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Solution

The fourth proportional to 161,176.13, 222,418.66 and 89,554.31 is: 123,582.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,176.13 : 222,418.66 = 89,554.31 : x
  2. Step 2: Convert to fraction form
    161,176.13/222,418.66 = 89,554.31/x
  3. Step 3: Cross multiply
    161,176.13x = 222,418.66 × 89,554.31
  4. Step 4: Simplify right side
    161,176.13x = 19,918,549,293.43
  5. Step 5: Solve for x
    x = 19,918,549,293.43/161,176.13
  6. Step 6: Final answer
    x = 123,582.50

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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.