Home / 165,488.87-248,231.86-47,160.50

Finding the Fourth Proportional to 165,488.87, 248,231.86 and 47,160.50

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Solution

The fourth proportional to 165,488.87, 248,231.86 and 47,160.50 is: 70,740.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,488.87 : 248,231.86 = 47,160.50 : x
  2. Step 2: Convert to fraction form
    165,488.87/248,231.86 = 47,160.50/x
  3. Step 3: Cross multiply
    165,488.87x = 248,231.86 × 47,160.50
  4. Step 4: Simplify right side
    165,488.87x = 11,706,737,274.47
  5. Step 5: Solve for x
    x = 11,706,737,274.47/165,488.87
  6. Step 6: Final answer
    x = 70,740.33

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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.