Home / 186,211.49-279,455.81-91,492.52

Finding the Fourth Proportional to 186,211.49, 279,455.81 and 91,492.52

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Solution

The fourth proportional to 186,211.49, 279,455.81 and 91,492.52 is: 137,306.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,211.49 : 279,455.81 = 91,492.52 : x
  2. Step 2: Convert to fraction form
    186,211.49/279,455.81 = 91,492.52/x
  3. Step 3: Cross multiply
    186,211.49x = 279,455.81 × 91,492.52
  4. Step 4: Simplify right side
    186,211.49x = 25,568,114,430.80
  5. Step 5: Solve for x
    x = 25,568,114,430.80/186,211.49
  6. Step 6: Final answer
    x = 137,306.86

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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.