Home / 161,568.90-222,961.95-89,950.32

Finding the Fourth Proportional to 161,568.90, 222,961.95 and 89,950.32

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Solution

The fourth proportional to 161,568.90, 222,961.95 and 89,950.32 is: 124,129.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,568.90 : 222,961.95 = 89,950.32 : x
  2. Step 2: Convert to fraction form
    161,568.90/222,961.95 = 89,950.32/x
  3. Step 3: Cross multiply
    161,568.90x = 222,961.95 × 89,950.32
  4. Step 4: Simplify right side
    161,568.90x = 20,055,498,750.32
  5. Step 5: Solve for x
    x = 20,055,498,750.32/161,568.90
  6. Step 6: Final answer
    x = 124,129.70

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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.