Home / 161,378.53-222,699.27-88,777.18

Finding the Fourth Proportional to 161,378.53, 222,699.27 and 88,777.18

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Solution

The fourth proportional to 161,378.53, 222,699.27 and 88,777.18 is: 122,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,378.53 : 222,699.27 = 88,777.18 : x
  2. Step 2: Convert to fraction form
    161,378.53/222,699.27 = 88,777.18/x
  3. Step 3: Cross multiply
    161,378.53x = 222,699.27 × 88,777.18
  4. Step 4: Simplify right side
    161,378.53x = 19,770,613,789.95
  5. Step 5: Solve for x
    x = 19,770,613,789.95/161,378.53
  6. Step 6: Final answer
    x = 122,510.80

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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.