Home / 107,717.74-148,325.85-101,405.41

Finding the Fourth Proportional to 107,717.74, 148,325.85 and 101,405.41

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Solution

The fourth proportional to 107,717.74, 148,325.85 and 101,405.41 is: 139,633.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,717.74 : 148,325.85 = 101,405.41 : x
  2. Step 2: Convert to fraction form
    107,717.74/148,325.85 = 101,405.41/x
  3. Step 3: Cross multiply
    107,717.74x = 148,325.85 × 101,405.41
  4. Step 4: Simplify right side
    107,717.74x = 15,041,043,632.85
  5. Step 5: Solve for x
    x = 15,041,043,632.85/107,717.74
  6. Step 6: Final answer
    x = 139,633.86

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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.