Home / 127,234.68-190,874.04-42,995.52

Finding the Fourth Proportional to 127,234.68, 190,874.04 and 42,995.52

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Solution

The fourth proportional to 127,234.68, 190,874.04 and 42,995.52 is: 64,500.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,234.68 : 190,874.04 = 42,995.52 : x
  2. Step 2: Convert to fraction form
    127,234.68/190,874.04 = 42,995.52/x
  3. Step 3: Cross multiply
    127,234.68x = 190,874.04 × 42,995.52
  4. Step 4: Simplify right side
    127,234.68x = 8,206,728,604.30
  5. Step 5: Solve for x
    x = 8,206,728,604.30/127,234.68
  6. Step 6: Final answer
    x = 64,500.72

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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.