Home / 120,852.40-181,207.68-36,587.20

Finding the Fourth Proportional to 120,852.40, 181,207.68 and 36,587.20

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Solution

The fourth proportional to 120,852.40, 181,207.68 and 36,587.20 is: 54,859.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,852.40 : 181,207.68 = 36,587.20 : x
  2. Step 2: Convert to fraction form
    120,852.40/181,207.68 = 36,587.20/x
  3. Step 3: Cross multiply
    120,852.40x = 181,207.68 × 36,587.20
  4. Step 4: Simplify right side
    120,852.40x = 6,629,881,629.70
  5. Step 5: Solve for x
    x = 6,629,881,629.70/120,852.40
  6. Step 6: Final answer
    x = 54,859.33

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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.