Home / 348,129.74-522,222.28-148,451.85

Finding the Fourth Proportional to 348,129.74, 522,222.28 and 148,451.85

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Solution

The fourth proportional to 348,129.74, 522,222.28 and 148,451.85 is: 222,689.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,129.74 : 522,222.28 = 148,451.85 : x
  2. Step 2: Convert to fraction form
    348,129.74/522,222.28 = 148,451.85/x
  3. Step 3: Cross multiply
    348,129.74x = 522,222.28 × 148,451.85
  4. Step 4: Simplify right side
    348,129.74x = 77,524,864,671.12
  5. Step 5: Solve for x
    x = 77,524,864,671.12/348,129.74
  6. Step 6: Final answer
    x = 222,689.58

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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.