Home / 185,387.04-277,865.64-85,337.28

Finding the Fourth Proportional to 185,387.04, 277,865.64 and 85,337.28

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Solution

The fourth proportional to 185,387.04, 277,865.64 and 85,337.28 is: 127,906.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,387.04 : 277,865.64 = 85,337.28 : x
  2. Step 2: Convert to fraction form
    185,387.04/277,865.64 = 85,337.28/x
  3. Step 3: Cross multiply
    185,387.04x = 277,865.64 × 85,337.28
  4. Step 4: Simplify right side
    185,387.04x = 23,712,297,923.06
  5. Step 5: Solve for x
    x = 23,712,297,923.06/185,387.04
  6. Step 6: Final answer
    x = 127,906.99

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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.