Home / 127,845.20-191,940.60-101,579.60

Finding the Fourth Proportional to 127,845.20, 191,940.60 and 101,579.60

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Solution

The fourth proportional to 127,845.20, 191,940.60 and 101,579.60 is: 152,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,845.20 : 191,940.60 = 101,579.60 : x
  2. Step 2: Convert to fraction form
    127,845.20/191,940.60 = 101,579.60/x
  3. Step 3: Cross multiply
    127,845.20x = 191,940.60 × 101,579.60
  4. Step 4: Simplify right side
    127,845.20x = 19,497,249,371.76
  5. Step 5: Solve for x
    x = 19,497,249,371.76/127,845.20
  6. Step 6: Final answer
    x = 152,506.70

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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.