Home / 454,925.40-682,323.30-155,419.80

Finding the Fourth Proportional to 454,925.40, 682,323.30 and 155,419.80

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Solution

The fourth proportional to 454,925.40, 682,323.30 and 155,419.80 is: 233,107.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,925.40 : 682,323.30 = 155,419.80 : x
  2. Step 2: Convert to fraction form
    454,925.40/682,323.30 = 155,419.80/x
  3. Step 3: Cross multiply
    454,925.40x = 682,323.30 × 155,419.80
  4. Step 4: Simplify right side
    454,925.40x = 106,046,550,821.34
  5. Step 5: Solve for x
    x = 106,046,550,821.34/454,925.40
  6. Step 6: Final answer
    x = 233,107.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.