Home / 186,311.84-279,509.25-67,983.18

Finding the Fourth Proportional to 186,311.84, 279,509.25 and 67,983.18

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Solution

The fourth proportional to 186,311.84, 279,509.25 and 67,983.18 is: 101,989.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,311.84 : 279,509.25 = 67,983.18 : x
  2. Step 2: Convert to fraction form
    186,311.84/279,509.25 = 67,983.18/x
  3. Step 3: Cross multiply
    186,311.84x = 279,509.25 × 67,983.18
  4. Step 4: Simplify right side
    186,311.84x = 19,001,927,654.42
  5. Step 5: Solve for x
    x = 19,001,927,654.42/186,311.84
  6. Step 6: Final answer
    x = 101,989.91

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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.