Home / 126,711.92-174,861.48-70,126.64

Finding the Fourth Proportional to 126,711.92, 174,861.48 and 70,126.64

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Solution

The fourth proportional to 126,711.92, 174,861.48 and 70,126.64 is: 96,774.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,711.92 : 174,861.48 = 70,126.64 : x
  2. Step 2: Convert to fraction form
    126,711.92/174,861.48 = 70,126.64/x
  3. Step 3: Cross multiply
    126,711.92x = 174,861.48 × 70,126.64
  4. Step 4: Simplify right side
    126,711.92x = 12,262,448,057.83
  5. Step 5: Solve for x
    x = 12,262,448,057.83/126,711.92
  6. Step 6: Final answer
    x = 96,774.23

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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.