Home / 202,115.10-303,148.35-83,774.10

Finding the Fourth Proportional to 202,115.10, 303,148.35 and 83,774.10

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Solution

The fourth proportional to 202,115.10, 303,148.35 and 83,774.10 is: 125,651.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,115.10 : 303,148.35 = 83,774.10 : x
  2. Step 2: Convert to fraction form
    202,115.10/303,148.35 = 83,774.10/x
  3. Step 3: Cross multiply
    202,115.10x = 303,148.35 × 83,774.10
  4. Step 4: Simplify right side
    202,115.10x = 25,395,980,187.74
  5. Step 5: Solve for x
    x = 25,395,980,187.74/202,115.10
  6. Step 6: Final answer
    x = 125,651.08

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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.