Home / 120,456.05-180,712.79-41,570.96

Finding the Fourth Proportional to 120,456.05, 180,712.79 and 41,570.96

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Solution

The fourth proportional to 120,456.05, 180,712.79 and 41,570.96 is: 62,366.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,456.05 : 180,712.79 = 41,570.96 : x
  2. Step 2: Convert to fraction form
    120,456.05/180,712.79 = 41,570.96/x
  3. Step 3: Cross multiply
    120,456.05x = 180,712.79 × 41,570.96
  4. Step 4: Simplify right side
    120,456.05x = 7,512,403,209.05
  5. Step 5: Solve for x
    x = 7,512,403,209.05/120,456.05
  6. Step 6: Final answer
    x = 62,366.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.