Home / 127,105.10-190,658.78-32,335.40

Finding the Fourth Proportional to 127,105.10, 190,658.78 and 32,335.40

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Solution

The fourth proportional to 127,105.10, 190,658.78 and 32,335.40 is: 48,503.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,105.10 : 190,658.78 = 32,335.40 : x
  2. Step 2: Convert to fraction form
    127,105.10/190,658.78 = 32,335.40/x
  3. Step 3: Cross multiply
    127,105.10x = 190,658.78 × 32,335.40
  4. Step 4: Simplify right side
    127,105.10x = 6,165,028,351.04
  5. Step 5: Solve for x
    x = 6,165,028,351.04/127,105.10
  6. Step 6: Final answer
    x = 48,503.39

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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.