Home / 259,743.30-389,614.95-148,844.10

Finding the Fourth Proportional to 259,743.30, 389,614.95 and 148,844.10

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Solution

The fourth proportional to 259,743.30, 389,614.95 and 148,844.10 is: 223,266.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,743.30 : 389,614.95 = 148,844.10 : x
  2. Step 2: Convert to fraction form
    259,743.30/389,614.95 = 148,844.10/x
  3. Step 3: Cross multiply
    259,743.30x = 389,614.95 × 148,844.10
  4. Step 4: Simplify right side
    259,743.30x = 57,991,886,579.30
  5. Step 5: Solve for x
    x = 57,991,886,579.30/259,743.30
  6. Step 6: Final answer
    x = 223,266.15

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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.