Home / 186,425.67-279,675.05-74,084.94

Finding the Fourth Proportional to 186,425.67, 279,675.05 and 74,084.94

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Solution

The fourth proportional to 186,425.67, 279,675.05 and 74,084.94 is: 111,141.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,425.67 : 279,675.05 = 74,084.94 : x
  2. Step 2: Convert to fraction form
    186,425.67/279,675.05 = 74,084.94/x
  3. Step 3: Cross multiply
    186,425.67x = 279,675.05 × 74,084.94
  4. Step 4: Simplify right side
    186,425.67x = 20,719,709,298.75
  5. Step 5: Solve for x
    x = 20,719,709,298.75/186,425.67
  6. Step 6: Final answer
    x = 111,141.93

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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.