Home / 185,581.97-278,370.52-45,341.81

Finding the Fourth Proportional to 185,581.97, 278,370.52 and 45,341.81

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Solution

The fourth proportional to 185,581.97, 278,370.52 and 45,341.81 is: 68,012.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,581.97 : 278,370.52 = 45,341.81 : x
  2. Step 2: Convert to fraction form
    185,581.97/278,370.52 = 45,341.81/x
  3. Step 3: Cross multiply
    185,581.97x = 278,370.52 × 45,341.81
  4. Step 4: Simplify right side
    185,581.97x = 12,621,821,722.23
  5. Step 5: Solve for x
    x = 12,621,821,722.23/185,581.97
  6. Step 6: Final answer
    x = 68,012.11

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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.