Home / 124,174.86-186,116.40-57,474.11

Finding the Fourth Proportional to 124,174.86, 186,116.40 and 57,474.11

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Solution

The fourth proportional to 124,174.86, 186,116.40 and 57,474.11 is: 86,143.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,174.86 : 186,116.40 = 57,474.11 : x
  2. Step 2: Convert to fraction form
    124,174.86/186,116.40 = 57,474.11/x
  3. Step 3: Cross multiply
    124,174.86x = 186,116.40 × 57,474.11
  4. Step 4: Simplify right side
    124,174.86x = 10,696,873,515.82
  5. Step 5: Solve for x
    x = 10,696,873,515.82/124,174.86
  6. Step 6: Final answer
    x = 86,143.63

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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.