Home / 348,237.72-522,050.30-138,023.24

Finding the Fourth Proportional to 348,237.72, 522,050.30 and 138,023.24

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Solution

The fourth proportional to 348,237.72, 522,050.30 and 138,023.24 is: 206,913.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,237.72 : 522,050.30 = 138,023.24 : x
  2. Step 2: Convert to fraction form
    348,237.72/522,050.30 = 138,023.24/x
  3. Step 3: Cross multiply
    348,237.72x = 522,050.30 × 138,023.24
  4. Step 4: Simplify right side
    348,237.72x = 72,055,073,848.97
  5. Step 5: Solve for x
    x = 72,055,073,848.97/348,237.72
  6. Step 6: Final answer
    x = 206,913.47

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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.