Home / 126,809.77-174,990.48-70,217.50

Finding the Fourth Proportional to 126,809.77, 174,990.48 and 70,217.50

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Solution

The fourth proportional to 126,809.77, 174,990.48 and 70,217.50 is: 96,896.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,809.77 : 174,990.48 = 70,217.50 : x
  2. Step 2: Convert to fraction form
    126,809.77/174,990.48 = 70,217.50/x
  3. Step 3: Cross multiply
    126,809.77x = 174,990.48 × 70,217.50
  4. Step 4: Simplify right side
    126,809.77x = 12,287,394,029.40
  5. Step 5: Solve for x
    x = 12,287,394,029.40/126,809.77
  6. Step 6: Final answer
    x = 96,896.27

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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.