Home / 127,611.20-176,097.40-70,249.34

Finding the Fourth Proportional to 127,611.20, 176,097.40 and 70,249.34

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Solution

The fourth proportional to 127,611.20, 176,097.40 and 70,249.34 is: 96,940.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,611.20 : 176,097.40 = 70,249.34 : x
  2. Step 2: Convert to fraction form
    127,611.20/176,097.40 = 70,249.34/x
  3. Step 3: Cross multiply
    127,611.20x = 176,097.40 × 70,249.34
  4. Step 4: Simplify right side
    127,611.20x = 12,370,726,390.34
  5. Step 5: Solve for x
    x = 12,370,726,390.34/127,611.20
  6. Step 6: Final answer
    x = 96,940.76

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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.