Home / 185,867.63-278,806.91-45,626.25

Finding the Fourth Proportional to 185,867.63, 278,806.91 and 45,626.25

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Solution

The fourth proportional to 185,867.63, 278,806.91 and 45,626.25 is: 68,440.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,867.63 : 278,806.91 = 45,626.25 : x
  2. Step 2: Convert to fraction form
    185,867.63/278,806.91 = 45,626.25/x
  3. Step 3: Cross multiply
    185,867.63x = 278,806.91 × 45,626.25
  4. Step 4: Simplify right side
    185,867.63x = 12,720,913,777.39
  5. Step 5: Solve for x
    x = 12,720,913,777.39/185,867.63
  6. Step 6: Final answer
    x = 68,440.72

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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.