Home / 115,761.03-174,509.15-108,045.43

Finding the Fourth Proportional to 115,761.03, 174,509.15 and 108,045.43

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Solution

The fourth proportional to 115,761.03, 174,509.15 and 108,045.43 is: 162,877.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,761.03 : 174,509.15 = 108,045.43 : x
  2. Step 2: Convert to fraction form
    115,761.03/174,509.15 = 108,045.43/x
  3. Step 3: Cross multiply
    115,761.03x = 174,509.15 × 108,045.43
  4. Step 4: Simplify right side
    115,761.03x = 18,854,916,150.68
  5. Step 5: Solve for x
    x = 18,854,916,150.68/115,761.03
  6. Step 6: Final answer
    x = 162,877.92

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.