Home / 161,334.17-222,646.55-88,740.12

Finding the Fourth Proportional to 161,334.17, 222,646.55 and 88,740.12

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Solution

The fourth proportional to 161,334.17, 222,646.55 and 88,740.12 is: 122,464.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,334.17 : 222,646.55 = 88,740.12 : x
  2. Step 2: Convert to fraction form
    161,334.17/222,646.55 = 88,740.12/x
  3. Step 3: Cross multiply
    161,334.17x = 222,646.55 × 88,740.12
  4. Step 4: Simplify right side
    161,334.17x = 19,757,681,120.89
  5. Step 5: Solve for x
    x = 19,757,681,120.89/161,334.17
  6. Step 6: Final answer
    x = 122,464.33

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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.