Home / 113,538.26-156,687.64-63,237.26

Finding the Fourth Proportional to 113,538.26, 156,687.64 and 63,237.26

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Solution

The fourth proportional to 113,538.26, 156,687.64 and 63,237.26 is: 87,270.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,538.26 : 156,687.64 = 63,237.26 : x
  2. Step 2: Convert to fraction form
    113,538.26/156,687.64 = 63,237.26/x
  3. Step 3: Cross multiply
    113,538.26x = 156,687.64 × 63,237.26
  4. Step 4: Simplify right side
    113,538.26x = 9,908,497,029.47
  5. Step 5: Solve for x
    x = 9,908,497,029.47/113,538.26
  6. Step 6: Final answer
    x = 87,270.12

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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.