Home / 161,965.76-223,517.48-90,344.23

Finding the Fourth Proportional to 161,965.76, 223,517.48 and 90,344.23

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Solution

The fourth proportional to 161,965.76, 223,517.48 and 90,344.23 is: 124,677.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,965.76 : 223,517.48 = 90,344.23 : x
  2. Step 2: Convert to fraction form
    161,965.76/223,517.48 = 90,344.23/x
  3. Step 3: Cross multiply
    161,965.76x = 223,517.48 × 90,344.23
  4. Step 4: Simplify right side
    161,965.76x = 20,193,513,611.63
  5. Step 5: Solve for x
    x = 20,193,513,611.63/161,965.76
  6. Step 6: Final answer
    x = 124,677.67

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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.