Home / 185,942.67-278,911.58-45,702.51

Finding the Fourth Proportional to 185,942.67, 278,911.58 and 45,702.51

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Solution

The fourth proportional to 185,942.67, 278,911.58 and 45,702.51 is: 68,553.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,942.67 : 278,911.58 = 45,702.51 : x
  2. Step 2: Convert to fraction form
    185,942.67/278,911.58 = 45,702.51/x
  3. Step 3: Cross multiply
    185,942.67x = 278,911.58 × 45,702.51
  4. Step 4: Simplify right side
    185,942.67x = 12,746,959,045.55
  5. Step 5: Solve for x
    x = 12,746,959,045.55/185,942.67
  6. Step 6: Final answer
    x = 68,553.17

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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.