Home / 202,310.13-303,479.77-77,651.13

Finding the Fourth Proportional to 202,310.13, 303,479.77 and 77,651.13

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Solution

The fourth proportional to 202,310.13, 303,479.77 and 77,651.13 is: 116,482.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,310.13 : 303,479.77 = 77,651.13 : x
  2. Step 2: Convert to fraction form
    202,310.13/303,479.77 = 77,651.13/x
  3. Step 3: Cross multiply
    202,310.13x = 303,479.77 × 77,651.13
  4. Step 4: Simplify right side
    202,310.13x = 23,565,547,072.64
  5. Step 5: Solve for x
    x = 23,565,547,072.64/202,310.13
  6. Step 6: Final answer
    x = 116,482.29

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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.