Home / 126,823.15-175,015.87-70,234.48

Finding the Fourth Proportional to 126,823.15, 175,015.87 and 70,234.48

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Solution

The fourth proportional to 126,823.15, 175,015.87 and 70,234.48 is: 96,923.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,823.15 : 175,015.87 = 70,234.48 : x
  2. Step 2: Convert to fraction form
    126,823.15/175,015.87 = 70,234.48/x
  3. Step 3: Cross multiply
    126,823.15x = 175,015.87 × 70,234.48
  4. Step 4: Simplify right side
    126,823.15x = 12,292,148,621.20
  5. Step 5: Solve for x
    x = 12,292,148,621.20/126,823.15
  6. Step 6: Final answer
    x = 96,923.54

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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.