Home / 141,749.65-212,662.86-53,012.17

Finding the Fourth Proportional to 141,749.65, 212,662.86 and 53,012.17

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Solution

The fourth proportional to 141,749.65, 212,662.86 and 53,012.17 is: 79,532.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,749.65 : 212,662.86 = 53,012.17 : x
  2. Step 2: Convert to fraction form
    141,749.65/212,662.86 = 53,012.17/x
  3. Step 3: Cross multiply
    141,749.65x = 212,662.86 × 53,012.17
  4. Step 4: Simplify right side
    141,749.65x = 11,273,719,687.01
  5. Step 5: Solve for x
    x = 11,273,719,687.01/141,749.65
  6. Step 6: Final answer
    x = 79,532.61

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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.