Home / 645,202.88-967,741.41-195,927.65

Finding the Fourth Proportional to 645,202.88, 967,741.41 and 195,927.65

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Solution

The fourth proportional to 645,202.88, 967,741.41 and 195,927.65 is: 293,872.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,202.88 : 967,741.41 = 195,927.65 : x
  2. Step 2: Convert to fraction form
    645,202.88/967,741.41 = 195,927.65/x
  3. Step 3: Cross multiply
    645,202.88x = 967,741.41 × 195,927.65
  4. Step 4: Simplify right side
    645,202.88x = 189,607,295,430.28
  5. Step 5: Solve for x
    x = 189,607,295,430.28/645,202.88
  6. Step 6: Final answer
    x = 293,872.36

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Double scale
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1.5x scale

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.