Home / 434,585.70-651,878.55-154,131.30

Finding the Fourth Proportional to 434,585.70, 651,878.55 and 154,131.30

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Solution

The fourth proportional to 434,585.70, 651,878.55 and 154,131.30 is: 231,196.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,585.70 : 651,878.55 = 154,131.30 : x
  2. Step 2: Convert to fraction form
    434,585.70/651,878.55 = 154,131.30/x
  3. Step 3: Cross multiply
    434,585.70x = 651,878.55 × 154,131.30
  4. Step 4: Simplify right side
    434,585.70x = 100,474,888,353.62
  5. Step 5: Solve for x
    x = 100,474,888,353.62/434,585.70
  6. Step 6: Final answer
    x = 231,196.95

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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.