Home / 147,852.20-221,731.76-47,989.33

Finding the Fourth Proportional to 147,852.20, 221,731.76 and 47,989.33

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Solution

The fourth proportional to 147,852.20, 221,731.76 and 47,989.33 is: 71,968.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,852.20 : 221,731.76 = 47,989.33 : x
  2. Step 2: Convert to fraction form
    147,852.20/221,731.76 = 47,989.33/x
  3. Step 3: Cross multiply
    147,852.20x = 221,731.76 × 47,989.33
  4. Step 4: Simplify right side
    147,852.20x = 10,640,758,167.76
  5. Step 5: Solve for x
    x = 10,640,758,167.76/147,852.20
  6. Step 6: Final answer
    x = 71,968.89

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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.