Home / 161,077.20-222,291.72-89,458.08

Finding the Fourth Proportional to 161,077.20, 222,291.72 and 89,458.08

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Solution

The fourth proportional to 161,077.20, 222,291.72 and 89,458.08 is: 123,455.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,077.20 : 222,291.72 = 89,458.08 : x
  2. Step 2: Convert to fraction form
    161,077.20/222,291.72 = 89,458.08/x
  3. Step 3: Cross multiply
    161,077.20x = 222,291.72 × 89,458.08
  4. Step 4: Simplify right side
    161,077.20x = 19,885,790,471.10
  5. Step 5: Solve for x
    x = 19,885,790,471.10/161,077.20
  6. Step 6: Final answer
    x = 123,455.03

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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.