Home / 171,469.20-236,572.56-111,086.40

Finding the Fourth Proportional to 171,469.20, 236,572.56 and 111,086.40

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Solution

The fourth proportional to 171,469.20, 236,572.56 and 111,086.40 is: 153,263.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,469.20 : 236,572.56 = 111,086.40 : x
  2. Step 2: Convert to fraction form
    171,469.20/236,572.56 = 111,086.40/x
  3. Step 3: Cross multiply
    171,469.20x = 236,572.56 × 111,086.40
  4. Step 4: Simplify right side
    171,469.20x = 26,279,994,029.18
  5. Step 5: Solve for x
    x = 26,279,994,029.18/171,469.20
  6. Step 6: Final answer
    x = 153,263.64

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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.