Home / 147,789.63-221,715.54-47,942.04

Finding the Fourth Proportional to 147,789.63, 221,715.54 and 47,942.04

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Solution

The fourth proportional to 147,789.63, 221,715.54 and 47,942.04 is: 71,923.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,789.63 : 221,715.54 = 47,942.04 : x
  2. Step 2: Convert to fraction form
    147,789.63/221,715.54 = 47,942.04/x
  3. Step 3: Cross multiply
    147,789.63x = 221,715.54 × 47,942.04
  4. Step 4: Simplify right side
    147,789.63x = 10,629,495,287.30
  5. Step 5: Solve for x
    x = 10,629,495,287.30/147,789.63
  6. Step 6: Final answer
    x = 71,923.15

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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.