Home / 185,004.78-277,337.06-66,647.17

Finding the Fourth Proportional to 185,004.78, 277,337.06 and 66,647.17

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Solution

The fourth proportional to 185,004.78, 277,337.06 and 66,647.17 is: 99,909.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,004.78 : 277,337.06 = 66,647.17 : x
  2. Step 2: Convert to fraction form
    185,004.78/277,337.06 = 66,647.17/x
  3. Step 3: Cross multiply
    185,004.78x = 277,337.06 × 66,647.17
  4. Step 4: Simplify right side
    185,004.78x = 18,483,730,185.12
  5. Step 5: Solve for x
    x = 18,483,730,185.12/185,004.78
  6. Step 6: Final answer
    x = 99,909.47

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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.