Home / 313,576.07-470,381.92-88,918.72

Finding the Fourth Proportional to 313,576.07, 470,381.92 and 88,918.72

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Solution

The fourth proportional to 313,576.07, 470,381.92 and 88,918.72 is: 133,383.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,576.07 : 470,381.92 = 88,918.72 : x
  2. Step 2: Convert to fraction form
    313,576.07/470,381.92 = 88,918.72/x
  3. Step 3: Cross multiply
    313,576.07x = 470,381.92 × 88,918.72
  4. Step 4: Simplify right side
    313,576.07x = 41,825,756,839.29
  5. Step 5: Solve for x
    x = 41,825,756,839.29/313,576.07
  6. Step 6: Final answer
    x = 133,383.13

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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.