Home / 121,162.05-181,769.22-36,920.03

Finding the Fourth Proportional to 121,162.05, 181,769.22 and 36,920.03

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Solution

The fourth proportional to 121,162.05, 181,769.22 and 36,920.03 is: 55,388.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,162.05 : 181,769.22 = 36,920.03 : x
  2. Step 2: Convert to fraction form
    121,162.05/181,769.22 = 36,920.03/x
  3. Step 3: Cross multiply
    121,162.05x = 181,769.22 × 36,920.03
  4. Step 4: Simplify right side
    121,162.05x = 6,710,924,146.63
  5. Step 5: Solve for x
    x = 6,710,924,146.63/121,162.05
  6. Step 6: Final answer
    x = 55,388.00

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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.