Home / 126,727.71-174,889.76-70,139.07

Finding the Fourth Proportional to 126,727.71, 174,889.76 and 70,139.07

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Solution

The fourth proportional to 126,727.71, 174,889.76 and 70,139.07 is: 96,794.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,727.71 : 174,889.76 = 70,139.07 : x
  2. Step 2: Convert to fraction form
    126,727.71/174,889.76 = 70,139.07/x
  3. Step 3: Cross multiply
    126,727.71x = 174,889.76 × 70,139.07
  4. Step 4: Simplify right side
    126,727.71x = 12,266,604,768.23
  5. Step 5: Solve for x
    x = 12,266,604,768.23/126,727.71
  6. Step 6: Final answer
    x = 96,794.97

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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.