Home / 348,103.30-522,191.40-148,444.78

Finding the Fourth Proportional to 348,103.30, 522,191.40 and 148,444.78

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Solution

The fourth proportional to 348,103.30, 522,191.40 and 148,444.78 is: 222,682.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,103.30 : 522,191.40 = 148,444.78 : x
  2. Step 2: Convert to fraction form
    348,103.30/522,191.40 = 148,444.78/x
  3. Step 3: Cross multiply
    348,103.30x = 522,191.40 × 148,444.78
  4. Step 4: Simplify right side
    348,103.30x = 77,516,587,490.89
  5. Step 5: Solve for x
    x = 77,516,587,490.89/348,103.30
  6. Step 6: Final answer
    x = 222,682.71

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1.5x scale

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.