Home / 147,829.99-221,741.85-47,990.04

Finding the Fourth Proportional to 147,829.99, 221,741.85 and 47,990.04

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Solution

The fourth proportional to 147,829.99, 221,741.85 and 47,990.04 is: 71,984.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,829.99 : 221,741.85 = 47,990.04 : x
  2. Step 2: Convert to fraction form
    147,829.99/221,741.85 = 47,990.04/x
  3. Step 3: Cross multiply
    147,829.99x = 221,741.85 × 47,990.04
  4. Step 4: Simplify right side
    147,829.99x = 10,641,399,142.46
  5. Step 5: Solve for x
    x = 10,641,399,142.46/147,829.99
  6. Step 6: Final answer
    x = 71,984.03

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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.