Home / 190,574.26-285,902.67-57,443.38

Finding the Fourth Proportional to 190,574.26, 285,902.67 and 57,443.38

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Solution

The fourth proportional to 190,574.26, 285,902.67 and 57,443.38 is: 86,177.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,574.26 : 285,902.67 = 57,443.38 : x
  2. Step 2: Convert to fraction form
    190,574.26/285,902.67 = 57,443.38/x
  3. Step 3: Cross multiply
    190,574.26x = 285,902.67 × 57,443.38
  4. Step 4: Simplify right side
    190,574.26x = 16,423,215,715.82
  5. Step 5: Solve for x
    x = 16,423,215,715.82/190,574.26
  6. Step 6: Final answer
    x = 86,177.51

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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.