Home / 185,156.28-277,677.18-66,812.31

Finding the Fourth Proportional to 185,156.28, 277,677.18 and 66,812.31

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Solution

The fourth proportional to 185,156.28, 277,677.18 and 66,812.31 is: 100,197.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,156.28 : 277,677.18 = 66,812.31 : x
  2. Step 2: Convert to fraction form
    185,156.28/277,677.18 = 66,812.31/x
  3. Step 3: Cross multiply
    185,156.28x = 277,677.18 × 66,812.31
  4. Step 4: Simplify right side
    185,156.28x = 18,552,253,830.09
  5. Step 5: Solve for x
    x = 18,552,253,830.09/185,156.28
  6. Step 6: Final answer
    x = 100,197.81

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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.