Home / 385,982.92-578,591.25-183,223.72

Finding the Fourth Proportional to 385,982.92, 578,591.25 and 183,223.72

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Solution

The fourth proportional to 385,982.92, 578,591.25 and 183,223.72 is: 274,653.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,982.92 : 578,591.25 = 183,223.72 : x
  2. Step 2: Convert to fraction form
    385,982.92/578,591.25 = 183,223.72/x
  3. Step 3: Cross multiply
    385,982.92x = 578,591.25 × 183,223.72
  4. Step 4: Simplify right side
    385,982.92x = 106,011,641,184.45
  5. Step 5: Solve for x
    x = 106,011,641,184.45/385,982.92
  6. Step 6: Final answer
    x = 274,653.71

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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.