Home / 165,645.50-248,463.18-47,317.05

Finding the Fourth Proportional to 165,645.50, 248,463.18 and 47,317.05

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Solution

The fourth proportional to 165,645.50, 248,463.18 and 47,317.05 is: 70,974.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,645.50 : 248,463.18 = 47,317.05 : x
  2. Step 2: Convert to fraction form
    165,645.50/248,463.18 = 47,317.05/x
  3. Step 3: Cross multiply
    165,645.50x = 248,463.18 × 47,317.05
  4. Step 4: Simplify right side
    165,645.50x = 11,756,544,711.22
  5. Step 5: Solve for x
    x = 11,756,544,711.22/165,645.50
  6. Step 6: Final answer
    x = 70,974.13

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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.