Home / 127,671.40-191,507.10-34,186.60

Finding the Fourth Proportional to 127,671.40, 191,507.10 and 34,186.60

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Solution

The fourth proportional to 127,671.40, 191,507.10 and 34,186.60 is: 51,279.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,671.40 : 191,507.10 = 34,186.60 : x
  2. Step 2: Convert to fraction form
    127,671.40/191,507.10 = 34,186.60/x
  3. Step 3: Cross multiply
    127,671.40x = 191,507.10 × 34,186.60
  4. Step 4: Simplify right side
    127,671.40x = 6,546,976,624.86
  5. Step 5: Solve for x
    x = 6,546,976,624.86/127,671.40
  6. Step 6: Final answer
    x = 51,279.90

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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.