Home / 125,198.41-172,833.63-71,473.03

Finding the Fourth Proportional to 125,198.41, 172,833.63 and 71,473.03

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Solution

The fourth proportional to 125,198.41, 172,833.63 and 71,473.03 is: 98,666.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,198.41 : 172,833.63 = 71,473.03 : x
  2. Step 2: Convert to fraction form
    125,198.41/172,833.63 = 71,473.03/x
  3. Step 3: Cross multiply
    125,198.41x = 172,833.63 × 71,473.03
  4. Step 4: Simplify right side
    125,198.41x = 12,352,942,357.83
  5. Step 5: Solve for x
    x = 12,352,942,357.83/125,198.41
  6. Step 6: Final answer
    x = 98,666.93

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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.