Home / 114,131.87-157,506.62-63,143.72

Finding the Fourth Proportional to 114,131.87, 157,506.62 and 63,143.72

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Solution

The fourth proportional to 114,131.87, 157,506.62 and 63,143.72 is: 87,140.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,131.87 : 157,506.62 = 63,143.72 : x
  2. Step 2: Convert to fraction form
    114,131.87/157,506.62 = 63,143.72/x
  3. Step 3: Cross multiply
    114,131.87x = 157,506.62 × 63,143.72
  4. Step 4: Simplify right side
    114,131.87x = 9,945,553,911.43
  5. Step 5: Solve for x
    x = 9,945,553,911.43/114,131.87
  6. Step 6: Final answer
    x = 87,140.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.