Home / 347,946.30-521,725.05-148,232.70

Finding the Fourth Proportional to 347,946.30, 521,725.05 and 148,232.70

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Solution

The fourth proportional to 347,946.30, 521,725.05 and 148,232.70 is: 222,266.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,946.30 : 521,725.05 = 148,232.70 : x
  2. Step 2: Convert to fraction form
    347,946.30/521,725.05 = 148,232.70/x
  3. Step 3: Cross multiply
    347,946.30x = 521,725.05 × 148,232.70
  4. Step 4: Simplify right side
    347,946.30x = 77,336,712,819.14
  5. Step 5: Solve for x
    x = 77,336,712,819.14/347,946.30
  6. Step 6: Final answer
    x = 222,266.23

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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.