Home / 126,772.83-174,938.54-70,179.75

Finding the Fourth Proportional to 126,772.83, 174,938.54 and 70,179.75

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Solution

The fourth proportional to 126,772.83, 174,938.54 and 70,179.75 is: 96,843.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,772.83 : 174,938.54 = 70,179.75 : x
  2. Step 2: Convert to fraction form
    126,772.83/174,938.54 = 70,179.75/x
  3. Step 3: Cross multiply
    126,772.83x = 174,938.54 × 70,179.75
  4. Step 4: Simplify right side
    126,772.83x = 12,277,142,651.67
  5. Step 5: Solve for x
    x = 12,277,142,651.67/126,772.83
  6. Step 6: Final answer
    x = 96,843.64

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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.