Home / 454,220.42-681,436.04-154,703.60

Finding the Fourth Proportional to 454,220.42, 681,436.04 and 154,703.60

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Solution

The fourth proportional to 454,220.42, 681,436.04 and 154,703.60 is: 232,091.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,220.42 : 681,436.04 = 154,703.60 : x
  2. Step 2: Convert to fraction form
    454,220.42/681,436.04 = 154,703.60/x
  3. Step 3: Cross multiply
    454,220.42x = 681,436.04 × 154,703.60
  4. Step 4: Simplify right side
    454,220.42x = 105,420,604,377.05
  5. Step 5: Solve for x
    x = 105,420,604,377.05/454,220.42
  6. Step 6: Final answer
    x = 232,091.30

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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.