Home / 161,350.11-222,662.52-89,730.45

Finding the Fourth Proportional to 161,350.11, 222,662.52 and 89,730.45

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Solution

The fourth proportional to 161,350.11, 222,662.52 and 89,730.45 is: 123,827.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,350.11 : 222,662.52 = 89,730.45 : x
  2. Step 2: Convert to fraction form
    161,350.11/222,662.52 = 89,730.45/x
  3. Step 3: Cross multiply
    161,350.11x = 222,662.52 × 89,730.45
  4. Step 4: Simplify right side
    161,350.11x = 19,979,608,117.73
  5. Step 5: Solve for x
    x = 19,979,608,117.73/161,350.11
  6. Step 6: Final answer
    x = 123,827.67

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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.