Home / 185,705.64-278,555.72-45,464.26

Finding the Fourth Proportional to 185,705.64, 278,555.72 and 45,464.26

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Solution

The fourth proportional to 185,705.64, 278,555.72 and 45,464.26 is: 68,195.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,705.64 : 278,555.72 = 45,464.26 : x
  2. Step 2: Convert to fraction form
    185,705.64/278,555.72 = 45,464.26/x
  3. Step 3: Cross multiply
    185,705.64x = 278,555.72 × 45,464.26
  4. Step 4: Simplify right side
    185,705.64x = 12,664,329,678.57
  5. Step 5: Solve for x
    x = 12,664,329,678.57/185,705.64
  6. Step 6: Final answer
    x = 68,195.72

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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.