Home / 454,252.80-681,638.40-173,971.20

Finding the Fourth Proportional to 454,252.80, 681,638.40 and 173,971.20

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Solution

The fourth proportional to 454,252.80, 681,638.40 and 173,971.20 is: 261,056.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,252.80 : 681,638.40 = 173,971.20 : x
  2. Step 2: Convert to fraction form
    454,252.80/681,638.40 = 173,971.20/x
  3. Step 3: Cross multiply
    454,252.80x = 681,638.40 × 173,971.20
  4. Step 4: Simplify right side
    454,252.80x = 118,585,450,414.08
  5. Step 5: Solve for x
    x = 118,585,450,414.08/454,252.80
  6. Step 6: Final answer
    x = 261,056.07

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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.