Home / 161,574.54-222,972.39-89,952.72

Finding the Fourth Proportional to 161,574.54, 222,972.39 and 89,952.72

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Solution

The fourth proportional to 161,574.54, 222,972.39 and 89,952.72 is: 124,134.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,574.54 : 222,972.39 = 89,952.72 : x
  2. Step 2: Convert to fraction form
    161,574.54/222,972.39 = 89,952.72/x
  3. Step 3: Cross multiply
    161,574.54x = 222,972.39 × 89,952.72
  4. Step 4: Simplify right side
    161,574.54x = 20,056,972,965.40
  5. Step 5: Solve for x
    x = 20,056,972,965.40/161,574.54
  6. Step 6: Final answer
    x = 124,134.49

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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.