Home / 385,744.14-578,261.82-132,964.62

Finding the Fourth Proportional to 385,744.14, 578,261.82 and 132,964.62

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Solution

The fourth proportional to 385,744.14, 578,261.82 and 132,964.62 is: 199,324.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,744.14 : 578,261.82 = 132,964.62 : x
  2. Step 2: Convert to fraction form
    385,744.14/578,261.82 = 132,964.62/x
  3. Step 3: Cross multiply
    385,744.14x = 578,261.82 × 132,964.62
  4. Step 4: Simplify right side
    385,744.14x = 76,888,363,156.81
  5. Step 5: Solve for x
    x = 76,888,363,156.81/385,744.14
  6. Step 6: Final answer
    x = 199,324.77

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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.