Home / 147,741.36-221,616.89-47,902.38

Finding the Fourth Proportional to 147,741.36, 221,616.89 and 47,902.38

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Solution

The fourth proportional to 147,741.36, 221,616.89 and 47,902.38 is: 71,855.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,741.36 : 221,616.89 = 47,902.38 : x
  2. Step 2: Convert to fraction form
    147,741.36/221,616.89 = 47,902.38/x
  3. Step 3: Cross multiply
    147,741.36x = 221,616.89 × 47,902.38
  4. Step 4: Simplify right side
    147,741.36x = 10,615,976,479.20
  5. Step 5: Solve for x
    x = 10,615,976,479.20/147,741.36
  6. Step 6: Final answer
    x = 71,855.14

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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.