Home / 356,518.20-534,921.30-156,876.60

Finding the Fourth Proportional to 356,518.20, 534,921.30 and 156,876.60

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Solution

The fourth proportional to 356,518.20, 534,921.30 and 156,876.60 is: 235,378.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,518.20 : 534,921.30 = 156,876.60 : x
  2. Step 2: Convert to fraction form
    356,518.20/534,921.30 = 156,876.60/x
  3. Step 3: Cross multiply
    356,518.20x = 534,921.30 × 156,876.60
  4. Step 4: Simplify right side
    356,518.20x = 83,916,634,811.58
  5. Step 5: Solve for x
    x = 83,916,634,811.58/356,518.20
  6. Step 6: Final answer
    x = 235,378.26

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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.