Home / 147,829.24-221,740.72-47,989.28

Finding the Fourth Proportional to 147,829.24, 221,740.72 and 47,989.28

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Solution

The fourth proportional to 147,829.24, 221,740.72 and 47,989.28 is: 71,982.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,829.24 : 221,740.72 = 47,989.28 : x
  2. Step 2: Convert to fraction form
    147,829.24/221,740.72 = 47,989.28/x
  3. Step 3: Cross multiply
    147,829.24x = 221,740.72 × 47,989.28
  4. Step 4: Simplify right side
    147,829.24x = 10,641,177,499.48
  5. Step 5: Solve for x
    x = 10,641,177,499.48/147,829.24
  6. Step 6: Final answer
    x = 71,982.90

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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.