Home / 312,508.23-468,936.08-152,586.12

Finding the Fourth Proportional to 312,508.23, 468,936.08 and 152,586.12

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Solution

The fourth proportional to 312,508.23, 468,936.08 and 152,586.12 is: 228,964.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,508.23 : 468,936.08 = 152,586.12 : x
  2. Step 2: Convert to fraction form
    312,508.23/468,936.08 = 152,586.12/x
  3. Step 3: Cross multiply
    312,508.23x = 468,936.08 × 152,586.12
  4. Step 4: Simplify right side
    312,508.23x = 71,553,136,975.21
  5. Step 5: Solve for x
    x = 71,553,136,975.21/312,508.23
  6. Step 6: Final answer
    x = 228,964.01

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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.