Home / 126,272.02-174,256.40-68,911.80

Finding the Fourth Proportional to 126,272.02, 174,256.40 and 68,911.80

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Solution

The fourth proportional to 126,272.02, 174,256.40 and 68,911.80 is: 95,098.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,272.02 : 174,256.40 = 68,911.80 : x
  2. Step 2: Convert to fraction form
    126,272.02/174,256.40 = 68,911.80/x
  3. Step 3: Cross multiply
    126,272.02x = 174,256.40 × 68,911.80
  4. Step 4: Simplify right side
    126,272.02x = 12,008,322,185.52
  5. Step 5: Solve for x
    x = 12,008,322,185.52/126,272.02
  6. Step 6: Final answer
    x = 95,098.84

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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.