Home / 348,051.30-521,882.55-148,337.70

Finding the Fourth Proportional to 348,051.30, 521,882.55 and 148,337.70

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Solution

The fourth proportional to 348,051.30, 521,882.55 and 148,337.70 is: 222,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,051.30 : 521,882.55 = 148,337.70 : x
  2. Step 2: Convert to fraction form
    348,051.30/521,882.55 = 148,337.70/x
  3. Step 3: Cross multiply
    348,051.30x = 521,882.55 × 148,337.70
  4. Step 4: Simplify right side
    348,051.30x = 77,414,857,137.14
  5. Step 5: Solve for x
    x = 77,414,857,137.14/348,051.30
  6. Step 6: Final answer
    x = 222,423.70

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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.