Home / 126,005.60-173,893.56-85,764.80

Finding the Fourth Proportional to 126,005.60, 173,893.56 and 85,764.80

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Solution

The fourth proportional to 126,005.60, 173,893.56 and 85,764.80 is: 118,359.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,005.60 : 173,893.56 = 85,764.80 : x
  2. Step 2: Convert to fraction form
    126,005.60/173,893.56 = 85,764.80/x
  3. Step 3: Cross multiply
    126,005.60x = 173,893.56 × 85,764.80
  4. Step 4: Simplify right side
    126,005.60x = 14,913,946,394.69
  5. Step 5: Solve for x
    x = 14,913,946,394.69/126,005.60
  6. Step 6: Final answer
    x = 118,359.39

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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.