Home / 122,476.14-169,035.52-74,757.22

Finding the Fourth Proportional to 122,476.14, 169,035.52 and 74,757.22

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Solution

The fourth proportional to 122,476.14, 169,035.52 and 74,757.22 is: 103,176.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,476.14 : 169,035.52 = 74,757.22 : x
  2. Step 2: Convert to fraction form
    122,476.14/169,035.52 = 74,757.22/x
  3. Step 3: Cross multiply
    122,476.14x = 169,035.52 × 74,757.22
  4. Step 4: Simplify right side
    122,476.14x = 12,636,625,556.45
  5. Step 5: Solve for x
    x = 12,636,625,556.45/122,476.14
  6. Step 6: Final answer
    x = 103,176.22

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1.5x scale

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.