Home / 127,524.40-191,286.60-113,746.30

Finding the Fourth Proportional to 127,524.40, 191,286.60 and 113,746.30

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Solution

The fourth proportional to 127,524.40, 191,286.60 and 113,746.30 is: 170,619.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,524.40 : 191,286.60 = 113,746.30 : x
  2. Step 2: Convert to fraction form
    127,524.40/191,286.60 = 113,746.30/x
  3. Step 3: Cross multiply
    127,524.40x = 191,286.60 × 113,746.30
  4. Step 4: Simplify right side
    127,524.40x = 21,758,142,989.58
  5. Step 5: Solve for x
    x = 21,758,142,989.58/127,524.40
  6. Step 6: Final answer
    x = 170,619.45

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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.