Home / 126,708.96-174,863.85-70,120.35

Finding the Fourth Proportional to 126,708.96, 174,863.85 and 70,120.35

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Solution

The fourth proportional to 126,708.96, 174,863.85 and 70,120.35 is: 96,769.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,708.96 : 174,863.85 = 70,120.35 : x
  2. Step 2: Convert to fraction form
    126,708.96/174,863.85 = 70,120.35/x
  3. Step 3: Cross multiply
    126,708.96x = 174,863.85 × 70,120.35
  4. Step 4: Simplify right side
    126,708.96x = 12,261,514,364.35
  5. Step 5: Solve for x
    x = 12,261,514,364.35/126,708.96
  6. Step 6: Final answer
    x = 96,769.12

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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.