Home / 161,234.77-222,565.99-107,500.18

Finding the Fourth Proportional to 161,234.77, 222,565.99 and 107,500.18

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Solution

The fourth proportional to 161,234.77, 222,565.99 and 107,500.18 is: 148,391.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,234.77 : 222,565.99 = 107,500.18 : x
  2. Step 2: Convert to fraction form
    161,234.77/222,565.99 = 107,500.18/x
  3. Step 3: Cross multiply
    161,234.77x = 222,565.99 × 107,500.18
  4. Step 4: Simplify right side
    161,234.77x = 23,925,883,986.88
  5. Step 5: Solve for x
    x = 23,925,883,986.88/161,234.77
  6. Step 6: Final answer
    x = 148,391.59

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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.