Home / 126,203.48-174,160.96-72,498.92

Finding the Fourth Proportional to 126,203.48, 174,160.96 and 72,498.92

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Solution

The fourth proportional to 126,203.48, 174,160.96 and 72,498.92 is: 100,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,203.48 : 174,160.96 = 72,498.92 : x
  2. Step 2: Convert to fraction form
    126,203.48/174,160.96 = 72,498.92/x
  3. Step 3: Cross multiply
    126,203.48x = 174,160.96 × 72,498.92
  4. Step 4: Simplify right side
    126,203.48x = 12,626,481,506.16
  5. Step 5: Solve for x
    x = 12,626,481,506.16/126,203.48
  6. Step 6: Final answer
    x = 100,048.60

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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.