Home / 126,864.54-190,314.72-51,995.52

Finding the Fourth Proportional to 126,864.54, 190,314.72 and 51,995.52

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Solution

The fourth proportional to 126,864.54, 190,314.72 and 51,995.52 is: 78,000.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,864.54 : 190,314.72 = 51,995.52 : x
  2. Step 2: Convert to fraction form
    126,864.54/190,314.72 = 51,995.52/x
  3. Step 3: Cross multiply
    126,864.54x = 190,314.72 × 51,995.52
  4. Step 4: Simplify right side
    126,864.54x = 9,895,512,830.05
  5. Step 5: Solve for x
    x = 9,895,512,830.05/126,864.54
  6. Step 6: Final answer
    x = 78,000.62

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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.