Home / 185,868.62-278,808.40-45,627.26

Finding the Fourth Proportional to 185,868.62, 278,808.40 and 45,627.26

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Solution

The fourth proportional to 185,868.62, 278,808.40 and 45,627.26 is: 68,442.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,868.62 : 278,808.40 = 45,627.26 : x
  2. Step 2: Convert to fraction form
    185,868.62/278,808.40 = 45,627.26/x
  3. Step 3: Cross multiply
    185,868.62x = 278,808.40 × 45,627.26
  4. Step 4: Simplify right side
    185,868.62x = 12,721,263,356.98
  5. Step 5: Solve for x
    x = 12,721,263,356.98/185,868.62
  6. Step 6: Final answer
    x = 68,442.23

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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.