Home / 161,526.96-222,912-88,933.55

Finding the Fourth Proportional to 161,526.96, 222,912 and 88,933.55

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Solution

The fourth proportional to 161,526.96, 222,912 and 88,933.55 is: 122,730.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,526.96 : 222,912 = 88,933.55 : x
  2. Step 2: Convert to fraction form
    161,526.96/222,912 = 88,933.55/x
  3. Step 3: Cross multiply
    161,526.96x = 222,912 × 88,933.55
  4. Step 4: Simplify right side
    161,526.96x = 19,824,354,383.04
  5. Step 5: Solve for x
    x = 19,824,354,383.04/161,526.96
  6. Step 6: Final answer
    x = 122,730.93

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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.