Home / 161,257.82-222,538.44-88,663.76

Finding the Fourth Proportional to 161,257.82, 222,538.44 and 88,663.76

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Solution

The fourth proportional to 161,257.82, 222,538.44 and 88,663.76 is: 122,357.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,257.82 : 222,538.44 = 88,663.76 : x
  2. Step 2: Convert to fraction form
    161,257.82/222,538.44 = 88,663.76/x
  3. Step 3: Cross multiply
    161,257.82x = 222,538.44 × 88,663.76
  4. Step 4: Simplify right side
    161,257.82x = 19,731,094,834.93
  5. Step 5: Solve for x
    x = 19,731,094,834.93/161,257.82
  6. Step 6: Final answer
    x = 122,357.44

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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.