Home / 185,154.53-277,732.20-66,909.38

Finding the Fourth Proportional to 185,154.53, 277,732.20 and 66,909.38

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Solution

The fourth proportional to 185,154.53, 277,732.20 and 66,909.38 is: 100,364.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,154.53 : 277,732.20 = 66,909.38 : x
  2. Step 2: Convert to fraction form
    185,154.53/277,732.20 = 66,909.38/x
  3. Step 3: Cross multiply
    185,154.53x = 277,732.20 × 66,909.38
  4. Step 4: Simplify right side
    185,154.53x = 18,582,889,308.04
  5. Step 5: Solve for x
    x = 18,582,889,308.04/185,154.53
  6. Step 6: Final answer
    x = 100,364.22

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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.