Home / 175,921.75-263,782.65-69,247.89

Finding the Fourth Proportional to 175,921.75, 263,782.65 and 69,247.89

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Solution

The fourth proportional to 175,921.75, 263,782.65 and 69,247.89 is: 103,832.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,921.75 : 263,782.65 = 69,247.89 : x
  2. Step 2: Convert to fraction form
    175,921.75/263,782.65 = 69,247.89/x
  3. Step 3: Cross multiply
    175,921.75x = 263,782.65 × 69,247.89
  4. Step 4: Simplify right side
    175,921.75x = 18,266,391,931.11
  5. Step 5: Solve for x
    x = 18,266,391,931.11/175,921.75
  6. Step 6: Final answer
    x = 103,832.48

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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.