Home / 134,670.46-185,824.86-76,523.68

Finding the Fourth Proportional to 134,670.46, 185,824.86 and 76,523.68

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Solution

The fourth proportional to 134,670.46, 185,824.86 and 76,523.68 is: 105,591.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,670.46 : 185,824.86 = 76,523.68 : x
  2. Step 2: Convert to fraction form
    134,670.46/185,824.86 = 76,523.68/x
  3. Step 3: Cross multiply
    134,670.46x = 185,824.86 × 76,523.68
  4. Step 4: Simplify right side
    134,670.46x = 14,220,002,122.68
  5. Step 5: Solve for x
    x = 14,220,002,122.68/134,670.46
  6. Step 6: Final answer
    x = 105,591.10

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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.