Home / 202,635.36-303,767.04-77,882.40

Finding the Fourth Proportional to 202,635.36, 303,767.04 and 77,882.40

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Solution

The fourth proportional to 202,635.36, 303,767.04 and 77,882.40 is: 116,752.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,635.36 : 303,767.04 = 77,882.40 : x
  2. Step 2: Convert to fraction form
    202,635.36/303,767.04 = 77,882.40/x
  3. Step 3: Cross multiply
    202,635.36x = 303,767.04 × 77,882.40
  4. Step 4: Simplify right side
    202,635.36x = 23,658,106,116.10
  5. Step 5: Solve for x
    x = 23,658,106,116.10/202,635.36
  6. Step 6: Final answer
    x = 116,752.11

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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.