Home / 202,266.57-279,115.83-111,631.08

Finding the Fourth Proportional to 202,266.57, 279,115.83 and 111,631.08

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Solution

The fourth proportional to 202,266.57, 279,115.83 and 111,631.08 is: 154,044.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,266.57 : 279,115.83 = 111,631.08 : x
  2. Step 2: Convert to fraction form
    202,266.57/279,115.83 = 111,631.08/x
  3. Step 3: Cross multiply
    202,266.57x = 279,115.83 × 111,631.08
  4. Step 4: Simplify right side
    202,266.57x = 31,158,001,548.00
  5. Step 5: Solve for x
    x = 31,158,001,548.00/202,266.57
  6. Step 6: Final answer
    x = 154,044.25

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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.