Home / 193,646.20-290,411.70-75,249.40

Finding the Fourth Proportional to 193,646.20, 290,411.70 and 75,249.40

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Solution

The fourth proportional to 193,646.20, 290,411.70 and 75,249.40 is: 112,851.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,646.20 : 290,411.70 = 75,249.40 : x
  2. Step 2: Convert to fraction form
    193,646.20/290,411.70 = 75,249.40/x
  3. Step 3: Cross multiply
    193,646.20x = 290,411.70 × 75,249.40
  4. Step 4: Simplify right side
    193,646.20x = 21,853,306,177.98
  5. Step 5: Solve for x
    x = 21,853,306,177.98/193,646.20
  6. Step 6: Final answer
    x = 112,851.72

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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.