Home / 126,777.60-190,166.40-125,611.20

Finding the Fourth Proportional to 126,777.60, 190,166.40 and 125,611.20

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Solution

The fourth proportional to 126,777.60, 190,166.40 and 125,611.20 is: 188,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,777.60 : 190,166.40 = 125,611.20 : x
  2. Step 2: Convert to fraction form
    126,777.60/190,166.40 = 125,611.20/x
  3. Step 3: Cross multiply
    126,777.60x = 190,166.40 × 125,611.20
  4. Step 4: Simplify right side
    126,777.60x = 23,887,029,703.68
  5. Step 5: Solve for x
    x = 23,887,029,703.68/126,777.60
  6. Step 6: Final answer
    x = 188,416.80

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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.