Home / 113,880.30-170,820.45-51,550.80

Finding the Fourth Proportional to 113,880.30, 170,820.45 and 51,550.80

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Solution

The fourth proportional to 113,880.30, 170,820.45 and 51,550.80 is: 77,326.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,880.30 : 170,820.45 = 51,550.80 : x
  2. Step 2: Convert to fraction form
    113,880.30/170,820.45 = 51,550.80/x
  3. Step 3: Cross multiply
    113,880.30x = 170,820.45 × 51,550.80
  4. Step 4: Simplify right side
    113,880.30x = 8,805,930,853.86
  5. Step 5: Solve for x
    x = 8,805,930,853.86/113,880.30
  6. Step 6: Final answer
    x = 77,326.20

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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.