Home / 266,369.10-367,246.35-189,975.30

Finding the Fourth Proportional to 266,369.10, 367,246.35 and 189,975.30

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Solution

The fourth proportional to 266,369.10, 367,246.35 and 189,975.30 is: 261,921.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,369.10 : 367,246.35 = 189,975.30 : x
  2. Step 2: Convert to fraction form
    266,369.10/367,246.35 = 189,975.30/x
  3. Step 3: Cross multiply
    266,369.10x = 367,246.35 × 189,975.30
  4. Step 4: Simplify right side
    266,369.10x = 69,767,735,515.16
  5. Step 5: Solve for x
    x = 69,767,735,515.16/266,369.10
  6. Step 6: Final answer
    x = 261,921.28

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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.