Home / 127,329.30-191,080.35-82,847.70

Finding the Fourth Proportional to 127,329.30, 191,080.35 and 82,847.70

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Solution

The fourth proportional to 127,329.30, 191,080.35 and 82,847.70 is: 124,327.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,329.30 : 191,080.35 = 82,847.70 : x
  2. Step 2: Convert to fraction form
    127,329.30/191,080.35 = 82,847.70/x
  3. Step 3: Cross multiply
    127,329.30x = 191,080.35 × 82,847.70
  4. Step 4: Simplify right side
    127,329.30x = 15,830,567,512.70
  5. Step 5: Solve for x
    x = 15,830,567,512.70/127,329.30
  6. Step 6: Final answer
    x = 124,327.77

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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.