Home / 185,622.63-278,439.41-45,381.25

Finding the Fourth Proportional to 185,622.63, 278,439.41 and 45,381.25

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Solution

The fourth proportional to 185,622.63, 278,439.41 and 45,381.25 is: 68,073.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,622.63 : 278,439.41 = 45,381.25 : x
  2. Step 2: Convert to fraction form
    185,622.63/278,439.41 = 45,381.25/x
  3. Step 3: Cross multiply
    185,622.63x = 278,439.41 × 45,381.25
  4. Step 4: Simplify right side
    185,622.63x = 12,635,928,475.06
  5. Step 5: Solve for x
    x = 12,635,928,475.06/185,622.63
  6. Step 6: Final answer
    x = 68,073.21

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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.