Home / 202,337.19-303,348.65-131,109.30

Finding the Fourth Proportional to 202,337.19, 303,348.65 and 131,109.30

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Solution

The fourth proportional to 202,337.19, 303,348.65 and 131,109.30 is: 196,562.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,337.19 : 303,348.65 = 131,109.30 : x
  2. Step 2: Convert to fraction form
    202,337.19/303,348.65 = 131,109.30/x
  3. Step 3: Cross multiply
    202,337.19x = 303,348.65 × 131,109.30
  4. Step 4: Simplify right side
    202,337.19x = 39,771,828,501.90
  5. Step 5: Solve for x
    x = 39,771,828,501.90/202,337.19
  6. Step 6: Final answer
    x = 196,562.13

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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.