Home / 186,089.14-279,133.71-80,908.11

Finding the Fourth Proportional to 186,089.14, 279,133.71 and 80,908.11

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Solution

The fourth proportional to 186,089.14, 279,133.71 and 80,908.11 is: 121,362.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,089.14 : 279,133.71 = 80,908.11 : x
  2. Step 2: Convert to fraction form
    186,089.14/279,133.71 = 80,908.11/x
  3. Step 3: Cross multiply
    186,089.14x = 279,133.71 × 80,908.11
  4. Step 4: Simplify right side
    186,089.14x = 22,584,180,913.39
  5. Step 5: Solve for x
    x = 22,584,180,913.39/186,089.14
  6. Step 6: Final answer
    x = 121,362.17

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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.