Home / 188,823.10-260,554.50-111,293.68

Finding the Fourth Proportional to 188,823.10, 260,554.50 and 111,293.68

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Solution

The fourth proportional to 188,823.10, 260,554.50 and 111,293.68 is: 153,572.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,823.10 : 260,554.50 = 111,293.68 : x
  2. Step 2: Convert to fraction form
    188,823.10/260,554.50 = 111,293.68/x
  3. Step 3: Cross multiply
    188,823.10x = 260,554.50 × 111,293.68
  4. Step 4: Simplify right side
    188,823.10x = 28,998,069,145.56
  5. Step 5: Solve for x
    x = 28,998,069,145.56/188,823.10
  6. Step 6: Final answer
    x = 153,572.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.