Home / 106,320.27-146,716.29-63,348.46

Finding the Fourth Proportional to 106,320.27, 146,716.29 and 63,348.46

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Solution

The fourth proportional to 106,320.27, 146,716.29 and 63,348.46 is: 87,417.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,320.27 : 146,716.29 = 63,348.46 : x
  2. Step 2: Convert to fraction form
    106,320.27/146,716.29 = 63,348.46/x
  3. Step 3: Cross multiply
    106,320.27x = 146,716.29 × 63,348.46
  4. Step 4: Simplify right side
    106,320.27x = 9,294,251,028.41
  5. Step 5: Solve for x
    x = 9,294,251,028.41/106,320.27
  6. Step 6: Final answer
    x = 87,417.49

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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.