Home / 114,853.10-171,890.85-100,856.30

Finding the Fourth Proportional to 114,853.10, 171,890.85 and 100,856.30

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Solution

The fourth proportional to 114,853.10, 171,890.85 and 100,856.30 is: 150,943.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,853.10 : 171,890.85 = 100,856.30 : x
  2. Step 2: Convert to fraction form
    114,853.10/171,890.85 = 100,856.30/x
  3. Step 3: Cross multiply
    114,853.10x = 171,890.85 × 100,856.30
  4. Step 4: Simplify right side
    114,853.10x = 17,336,275,134.86
  5. Step 5: Solve for x
    x = 17,336,275,134.86/114,853.10
  6. Step 6: Final answer
    x = 150,943.03

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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.