Home / 348,146.52-522,256.14-148,488

Finding the Fourth Proportional to 348,146.52, 522,256.14 and 148,488

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Solution

The fourth proportional to 348,146.52, 522,256.14 and 148,488 is: 222,747.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,146.52 : 522,256.14 = 148,488 : x
  2. Step 2: Convert to fraction form
    348,146.52/522,256.14 = 148,488/x
  3. Step 3: Cross multiply
    348,146.52x = 522,256.14 × 148,488
  4. Step 4: Simplify right side
    348,146.52x = 77,548,769,716.32
  5. Step 5: Solve for x
    x = 77,548,769,716.32/348,146.52
  6. Step 6: Final answer
    x = 222,747.51

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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.