Home / 186,582.72-279,964.06-91,761.46

Finding the Fourth Proportional to 186,582.72, 279,964.06 and 91,761.46

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Solution

The fourth proportional to 186,582.72, 279,964.06 and 91,761.46 is: 137,686.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,582.72 : 279,964.06 = 91,761.46 : x
  2. Step 2: Convert to fraction form
    186,582.72/279,964.06 = 91,761.46/x
  3. Step 3: Cross multiply
    186,582.72x = 279,964.06 × 91,761.46
  4. Step 4: Simplify right side
    186,582.72x = 25,689,910,893.13
  5. Step 5: Solve for x
    x = 25,689,910,893.13/186,582.72
  6. Step 6: Final answer
    x = 137,686.45

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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.