Home / 161,577.56-222,976.52-89,955.72

Finding the Fourth Proportional to 161,577.56, 222,976.52 and 89,955.72

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Solution

The fourth proportional to 161,577.56, 222,976.52 and 89,955.72 is: 124,138.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,577.56 : 222,976.52 = 89,955.72 : x
  2. Step 2: Convert to fraction form
    161,577.56/222,976.52 = 89,955.72/x
  3. Step 3: Cross multiply
    161,577.56x = 222,976.52 × 89,955.72
  4. Step 4: Simplify right side
    161,577.56x = 20,058,013,399.69
  5. Step 5: Solve for x
    x = 20,058,013,399.69/161,577.56
  6. Step 6: Final answer
    x = 124,138.61

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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.