Home / 175,997.20-263,995.80-42,876.40

Finding the Fourth Proportional to 175,997.20, 263,995.80 and 42,876.40

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Solution

The fourth proportional to 175,997.20, 263,995.80 and 42,876.40 is: 64,314.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,997.20 : 263,995.80 = 42,876.40 : x
  2. Step 2: Convert to fraction form
    175,997.20/263,995.80 = 42,876.40/x
  3. Step 3: Cross multiply
    175,997.20x = 263,995.80 × 42,876.40
  4. Step 4: Simplify right side
    175,997.20x = 11,319,189,519.12
  5. Step 5: Solve for x
    x = 11,319,189,519.12/175,997.20
  6. Step 6: Final answer
    x = 64,314.60

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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.