Home / 134,198.91-185,194.88-76,839.12

Finding the Fourth Proportional to 134,198.91, 185,194.88 and 76,839.12

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Solution

The fourth proportional to 134,198.91, 185,194.88 and 76,839.12 is: 106,038.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,198.91 : 185,194.88 = 76,839.12 : x
  2. Step 2: Convert to fraction form
    134,198.91/185,194.88 = 76,839.12/x
  3. Step 3: Cross multiply
    134,198.91x = 185,194.88 × 76,839.12
  4. Step 4: Simplify right side
    134,198.91x = 14,230,211,607.71
  5. Step 5: Solve for x
    x = 14,230,211,607.71/134,198.91
  6. Step 6: Final answer
    x = 106,038.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.