Home / 109,360.53-150,828.28-91,830.21

Finding the Fourth Proportional to 109,360.53, 150,828.28 and 91,830.21

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Solution

The fourth proportional to 109,360.53, 150,828.28 and 91,830.21 is: 126,650.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,360.53 : 150,828.28 = 91,830.21 : x
  2. Step 2: Convert to fraction form
    109,360.53/150,828.28 = 91,830.21/x
  3. Step 3: Cross multiply
    109,360.53x = 150,828.28 × 91,830.21
  4. Step 4: Simplify right side
    109,360.53x = 13,850,591,831.16
  5. Step 5: Solve for x
    x = 13,850,591,831.16/109,360.53
  6. Step 6: Final answer
    x = 126,650.74

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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.