Home / 122,627.61-169,069.95-82,277.46

Finding the Fourth Proportional to 122,627.61, 169,069.95 and 82,277.46

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Solution

The fourth proportional to 122,627.61, 169,069.95 and 82,277.46 is: 113,438.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,627.61 : 169,069.95 = 82,277.46 : x
  2. Step 2: Convert to fraction form
    122,627.61/169,069.95 = 82,277.46/x
  3. Step 3: Cross multiply
    122,627.61x = 169,069.95 × 82,277.46
  4. Step 4: Simplify right side
    122,627.61x = 13,910,646,048.33
  5. Step 5: Solve for x
    x = 13,910,646,048.33/122,627.61
  6. Step 6: Final answer
    x = 113,438.12

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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.