Home / 115,656.11-173,004.40-108,570.23

Finding the Fourth Proportional to 115,656.11, 173,004.40 and 108,570.23

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Solution

The fourth proportional to 115,656.11, 173,004.40 and 108,570.23 is: 162,404.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,656.11 : 173,004.40 = 108,570.23 : x
  2. Step 2: Convert to fraction form
    115,656.11/173,004.40 = 108,570.23/x
  3. Step 3: Cross multiply
    115,656.11x = 173,004.40 × 108,570.23
  4. Step 4: Simplify right side
    115,656.11x = 18,783,127,660.10
  5. Step 5: Solve for x
    x = 18,783,127,660.10/115,656.11
  6. Step 6: Final answer
    x = 162,404.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.