Home / 126,764.80-174,934.32-70,174.72

Finding the Fourth Proportional to 126,764.80, 174,934.32 and 70,174.72

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Solution

The fourth proportional to 126,764.80, 174,934.32 and 70,174.72 is: 96,840.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,764.80 : 174,934.32 = 70,174.72 : x
  2. Step 2: Convert to fraction form
    126,764.80/174,934.32 = 70,174.72/x
  3. Step 3: Cross multiply
    126,764.80x = 174,934.32 × 70,174.72
  4. Step 4: Simplify right side
    126,764.80x = 12,275,966,924.39
  5. Step 5: Solve for x
    x = 12,275,966,924.39/126,764.80
  6. Step 6: Final answer
    x = 96,840.50

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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.