Home / 202,972.32-304,428.24-53,215.20

Finding the Fourth Proportional to 202,972.32, 304,428.24 and 53,215.20

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Solution

The fourth proportional to 202,972.32, 304,428.24 and 53,215.20 is: 79,814.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,972.32 : 304,428.24 = 53,215.20 : x
  2. Step 2: Convert to fraction form
    202,972.32/304,428.24 = 53,215.20/x
  3. Step 3: Cross multiply
    202,972.32x = 304,428.24 × 53,215.20
  4. Step 4: Simplify right side
    202,972.32x = 16,200,209,677.25
  5. Step 5: Solve for x
    x = 16,200,209,677.25/202,972.32
  6. Step 6: Final answer
    x = 79,814.87

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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.