Home / 100,395.59-149,773.22-93,236.81

Finding the Fourth Proportional to 100,395.59, 149,773.22 and 93,236.81

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Solution

The fourth proportional to 100,395.59, 149,773.22 and 93,236.81 is: 139,093.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,395.59 : 149,773.22 = 93,236.81 : x
  2. Step 2: Convert to fraction form
    100,395.59/149,773.22 = 93,236.81/x
  3. Step 3: Cross multiply
    100,395.59x = 149,773.22 × 93,236.81
  4. Step 4: Simplify right side
    100,395.59x = 13,964,377,256.23
  5. Step 5: Solve for x
    x = 13,964,377,256.23/100,395.59
  6. Step 6: Final answer
    x = 139,093.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.