Home / 217,321.83-299,833.23-126,657.06

Finding the Fourth Proportional to 217,321.83, 299,833.23 and 126,657.06

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Solution

The fourth proportional to 217,321.83, 299,833.23 and 126,657.06 is: 174,745.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,321.83 : 299,833.23 = 126,657.06 : x
  2. Step 2: Convert to fraction form
    217,321.83/299,833.23 = 126,657.06/x
  3. Step 3: Cross multiply
    217,321.83x = 299,833.23 × 126,657.06
  4. Step 4: Simplify right side
    217,321.83x = 37,975,995,402.10
  5. Step 5: Solve for x
    x = 37,975,995,402.10/217,321.83
  6. Step 6: Final answer
    x = 174,745.42

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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.