Home / 126,778.63-174,953.87-69,416.91

Finding the Fourth Proportional to 126,778.63, 174,953.87 and 69,416.91

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Solution

The fourth proportional to 126,778.63, 174,953.87 and 69,416.91 is: 95,794.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,778.63 : 174,953.87 = 69,416.91 : x
  2. Step 2: Convert to fraction form
    126,778.63/174,953.87 = 69,416.91/x
  3. Step 3: Cross multiply
    126,778.63x = 174,953.87 × 69,416.91
  4. Step 4: Simplify right side
    126,778.63x = 12,144,755,826.09
  5. Step 5: Solve for x
    x = 12,144,755,826.09/126,778.63
  6. Step 6: Final answer
    x = 95,794.98

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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.