Home / 186,005.10-278,986.05-52,905.90

Finding the Fourth Proportional to 186,005.10, 278,986.05 and 52,905.90

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Solution

The fourth proportional to 186,005.10, 278,986.05 and 52,905.90 is: 79,352.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,005.10 : 278,986.05 = 52,905.90 : x
  2. Step 2: Convert to fraction form
    186,005.10/278,986.05 = 52,905.90/x
  3. Step 3: Cross multiply
    186,005.10x = 278,986.05 × 52,905.90
  4. Step 4: Simplify right side
    186,005.10x = 14,760,008,062.70
  5. Step 5: Solve for x
    x = 14,760,008,062.70/186,005.10
  6. Step 6: Final answer
    x = 79,352.71

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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.