Home / 185,626.14-278,444.67-45,384.75

Finding the Fourth Proportional to 185,626.14, 278,444.67 and 45,384.75

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Solution

The fourth proportional to 185,626.14, 278,444.67 and 45,384.75 is: 68,078.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,626.14 : 278,444.67 = 45,384.75 : x
  2. Step 2: Convert to fraction form
    185,626.14/278,444.67 = 45,384.75/x
  3. Step 3: Cross multiply
    185,626.14x = 278,444.67 × 45,384.75
  4. Step 4: Simplify right side
    185,626.14x = 12,637,141,736.78
  5. Step 5: Solve for x
    x = 12,637,141,736.78/185,626.14
  6. Step 6: Final answer
    x = 68,078.46

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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.