Home / 147,404.20-221,052.30-47,590.60

Finding the Fourth Proportional to 147,404.20, 221,052.30 and 47,590.60

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Solution

The fourth proportional to 147,404.20, 221,052.30 and 47,590.60 is: 71,368.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,404.20 : 221,052.30 = 47,590.60 : x
  2. Step 2: Convert to fraction form
    147,404.20/221,052.30 = 47,590.60/x
  3. Step 3: Cross multiply
    147,404.20x = 221,052.30 × 47,590.60
  4. Step 4: Simplify right side
    147,404.20x = 10,520,011,588.38
  5. Step 5: Solve for x
    x = 10,520,011,588.38/147,404.20
  6. Step 6: Final answer
    x = 71,368.47

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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.