Home / 161,113.22-222,336.36-88,520.79

Finding the Fourth Proportional to 161,113.22, 222,336.36 and 88,520.79

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Solution

The fourth proportional to 161,113.22, 222,336.36 and 88,520.79 is: 122,158.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,113.22 : 222,336.36 = 88,520.79 : x
  2. Step 2: Convert to fraction form
    161,113.22/222,336.36 = 88,520.79/x
  3. Step 3: Cross multiply
    161,113.22x = 222,336.36 × 88,520.79
  4. Step 4: Simplify right side
    161,113.22x = 19,681,390,441.36
  5. Step 5: Solve for x
    x = 19,681,390,441.36/161,113.22
  6. Step 6: Final answer
    x = 122,158.76

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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.