Home / 126,893.48-175,302.60-83,388.92

Finding the Fourth Proportional to 126,893.48, 175,302.60 and 83,388.92

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Solution

The fourth proportional to 126,893.48, 175,302.60 and 83,388.92 is: 115,201.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,893.48 : 175,302.60 = 83,388.92 : x
  2. Step 2: Convert to fraction form
    126,893.48/175,302.60 = 83,388.92/x
  3. Step 3: Cross multiply
    126,893.48x = 175,302.60 × 83,388.92
  4. Step 4: Simplify right side
    126,893.48x = 14,618,294,487.19
  5. Step 5: Solve for x
    x = 14,618,294,487.19/126,893.48
  6. Step 6: Final answer
    x = 115,201.30

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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.