Home / 161,257.96-222,538.64-88,663.92

Finding the Fourth Proportional to 161,257.96, 222,538.64 and 88,663.92

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Solution

The fourth proportional to 161,257.96, 222,538.64 and 88,663.92 is: 122,357.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,257.96 : 222,538.64 = 88,663.92 : x
  2. Step 2: Convert to fraction form
    161,257.96/222,538.64 = 88,663.92/x
  3. Step 3: Cross multiply
    161,257.96x = 222,538.64 × 88,663.92
  4. Step 4: Simplify right side
    161,257.96x = 19,731,148,173.87
  5. Step 5: Solve for x
    x = 19,731,148,173.87/161,257.96
  6. Step 6: Final answer
    x = 122,357.67

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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.