Home / 202,278.13-303,422.67-52,515.10

Finding the Fourth Proportional to 202,278.13, 303,422.67 and 52,515.10

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Solution

The fourth proportional to 202,278.13, 303,422.67 and 52,515.10 is: 78,774.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,278.13 : 303,422.67 = 52,515.10 : x
  2. Step 2: Convert to fraction form
    202,278.13/303,422.67 = 52,515.10/x
  3. Step 3: Cross multiply
    202,278.13x = 303,422.67 × 52,515.10
  4. Step 4: Simplify right side
    202,278.13x = 15,934,271,857.32
  5. Step 5: Solve for x
    x = 15,934,271,857.32/202,278.13
  6. Step 6: Final answer
    x = 78,774.07

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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.