Home / 161,528.66-222,439.20-125,658.26

Finding the Fourth Proportional to 161,528.66, 222,439.20 and 125,658.26

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Solution

The fourth proportional to 161,528.66, 222,439.20 and 125,658.26 is: 173,042.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,528.66 : 222,439.20 = 125,658.26 : x
  2. Step 2: Convert to fraction form
    161,528.66/222,439.20 = 125,658.26/x
  3. Step 3: Cross multiply
    161,528.66x = 222,439.20 × 125,658.26
  4. Step 4: Simplify right side
    161,528.66x = 27,951,322,827.79
  5. Step 5: Solve for x
    x = 27,951,322,827.79/161,528.66
  6. Step 6: Final answer
    x = 173,042.50

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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.