Home / 202,528.35-279,464.99-111,878.82

Finding the Fourth Proportional to 202,528.35, 279,464.99 and 111,878.82

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Solution

The fourth proportional to 202,528.35, 279,464.99 and 111,878.82 is: 154,379.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,528.35 : 279,464.99 = 111,878.82 : x
  2. Step 2: Convert to fraction form
    202,528.35/279,464.99 = 111,878.82/x
  3. Step 3: Cross multiply
    202,528.35x = 279,464.99 × 111,878.82
  4. Step 4: Simplify right side
    202,528.35x = 31,266,212,753.12
  5. Step 5: Solve for x
    x = 31,266,212,753.12/202,528.35
  6. Step 6: Final answer
    x = 154,379.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.