Home / 126,537.30-174,614.58-69,945

Finding the Fourth Proportional to 126,537.30, 174,614.58 and 69,945

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Solution

The fourth proportional to 126,537.30, 174,614.58 and 69,945 is: 96,520.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,537.30 : 174,614.58 = 69,945 : x
  2. Step 2: Convert to fraction form
    126,537.30/174,614.58 = 69,945/x
  3. Step 3: Cross multiply
    126,537.30x = 174,614.58 × 69,945
  4. Step 4: Simplify right side
    126,537.30x = 12,213,416,798.10
  5. Step 5: Solve for x
    x = 12,213,416,798.10/126,537.30
  6. Step 6: Final answer
    x = 96,520.29

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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.