Home / 202,938.24-304,409.42-90,624.18

Finding the Fourth Proportional to 202,938.24, 304,409.42 and 90,624.18

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Solution

The fourth proportional to 202,938.24, 304,409.42 and 90,624.18 is: 135,937.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,938.24 : 304,409.42 = 90,624.18 : x
  2. Step 2: Convert to fraction form
    202,938.24/304,409.42 = 90,624.18/x
  3. Step 3: Cross multiply
    202,938.24x = 304,409.42 × 90,624.18
  4. Step 4: Simplify right side
    202,938.24x = 27,586,853,618.65
  5. Step 5: Solve for x
    x = 27,586,853,618.65/202,938.24
  6. Step 6: Final answer
    x = 135,937.19

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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.