Home / 463,555.20-695,441.25-143,690.43

Finding the Fourth Proportional to 463,555.20, 695,441.25 and 143,690.43

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Solution

The fourth proportional to 463,555.20, 695,441.25 and 143,690.43 is: 215,569.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,555.20 : 695,441.25 = 143,690.43 : x
  2. Step 2: Convert to fraction form
    463,555.20/695,441.25 = 143,690.43/x
  3. Step 3: Cross multiply
    463,555.20x = 695,441.25 × 143,690.43
  4. Step 4: Simplify right side
    463,555.20x = 99,928,252,252.24
  5. Step 5: Solve for x
    x = 99,928,252,252.24/463,555.20
  6. Step 6: Final answer
    x = 215,569.26

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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.