Home / 304,918.98-457,439.81-105,247.10

Finding the Fourth Proportional to 304,918.98, 457,439.81 and 105,247.10

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Solution

The fourth proportional to 304,918.98, 457,439.81 and 105,247.10 is: 157,891.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,918.98 : 457,439.81 = 105,247.10 : x
  2. Step 2: Convert to fraction form
    304,918.98/457,439.81 = 105,247.10/x
  3. Step 3: Cross multiply
    304,918.98x = 457,439.81 × 105,247.10
  4. Step 4: Simplify right side
    304,918.98x = 48,144,210,613.62
  5. Step 5: Solve for x
    x = 48,144,210,613.62/304,918.98
  6. Step 6: Final answer
    x = 157,891.81

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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.