Home / 113,530.88-156,825.60-102,932.48

Finding the Fourth Proportional to 113,530.88, 156,825.60 and 102,932.48

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Solution

The fourth proportional to 113,530.88, 156,825.60 and 102,932.48 is: 142,185.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,530.88 : 156,825.60 = 102,932.48 : x
  2. Step 2: Convert to fraction form
    113,530.88/156,825.60 = 102,932.48/x
  3. Step 3: Cross multiply
    113,530.88x = 156,825.60 × 102,932.48
  4. Step 4: Simplify right side
    113,530.88x = 16,142,447,935.49
  5. Step 5: Solve for x
    x = 16,142,447,935.49/113,530.88
  6. Step 6: Final answer
    x = 142,185.53

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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.