Home / 147,781.82-221,703.93-47,934.27

Finding the Fourth Proportional to 147,781.82, 221,703.93 and 47,934.27

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Solution

The fourth proportional to 147,781.82, 221,703.93 and 47,934.27 is: 71,911.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,781.82 : 221,703.93 = 47,934.27 : x
  2. Step 2: Convert to fraction form
    147,781.82/221,703.93 = 47,934.27/x
  3. Step 3: Cross multiply
    147,781.82x = 221,703.93 × 47,934.27
  4. Step 4: Simplify right side
    147,781.82x = 10,627,216,040.68
  5. Step 5: Solve for x
    x = 10,627,216,040.68/147,781.82
  6. Step 6: Final answer
    x = 71,911.52

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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.