Home / 126,283.69-174,266-68,921.56

Finding the Fourth Proportional to 126,283.69, 174,266 and 68,921.56

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Solution

The fourth proportional to 126,283.69, 174,266 and 68,921.56 is: 95,108.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,283.69 : 174,266 = 68,921.56 : x
  2. Step 2: Convert to fraction form
    126,283.69/174,266 = 68,921.56/x
  3. Step 3: Cross multiply
    126,283.69x = 174,266 × 68,921.56
  4. Step 4: Simplify right side
    126,283.69x = 12,010,683,703.63
  5. Step 5: Solve for x
    x = 12,010,683,703.63/126,283.69
  6. Step 6: Final answer
    x = 95,108.75

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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.