Home / 147,489.04-203,552.36-83,836.41

Finding the Fourth Proportional to 147,489.04, 203,552.36 and 83,836.41

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Solution

The fourth proportional to 147,489.04, 203,552.36 and 83,836.41 is: 115,704.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,489.04 : 203,552.36 = 83,836.41 : x
  2. Step 2: Convert to fraction form
    147,489.04/203,552.36 = 83,836.41/x
  3. Step 3: Cross multiply
    147,489.04x = 203,552.36 × 83,836.41
  4. Step 4: Simplify right side
    147,489.04x = 17,065,099,109.43
  5. Step 5: Solve for x
    x = 17,065,099,109.43/147,489.04
  6. Step 6: Final answer
    x = 115,704.18

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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.