Home / 240,045.36-331,073.64-223,949.04

Finding the Fourth Proportional to 240,045.36, 331,073.64 and 223,949.04

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Solution

The fourth proportional to 240,045.36, 331,073.64 and 223,949.04 is: 308,873.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,045.36 : 331,073.64 = 223,949.04 : x
  2. Step 2: Convert to fraction form
    240,045.36/331,073.64 = 223,949.04/x
  3. Step 3: Cross multiply
    240,045.36x = 331,073.64 × 223,949.04
  4. Step 4: Simplify right side
    240,045.36x = 74,143,623,847.31
  5. Step 5: Solve for x
    x = 74,143,623,847.31/240,045.36
  6. Step 6: Final answer
    x = 308,873.39

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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.