Home / 454,731.27-682,159.15-155,131.40

Finding the Fourth Proportional to 454,731.27, 682,159.15 and 155,131.40

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Solution

The fourth proportional to 454,731.27, 682,159.15 and 155,131.40 is: 232,718.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,731.27 : 682,159.15 = 155,131.40 : x
  2. Step 2: Convert to fraction form
    454,731.27/682,159.15 = 155,131.40/x
  3. Step 3: Cross multiply
    454,731.27x = 682,159.15 × 155,131.40
  4. Step 4: Simplify right side
    454,731.27x = 105,824,303,962.31
  5. Step 5: Solve for x
    x = 105,824,303,962.31/454,731.27
  6. Step 6: Final answer
    x = 232,718.33

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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.