Home / 153,823.62-230,734.46-82,779.72

Finding the Fourth Proportional to 153,823.62, 230,734.46 and 82,779.72

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Solution

The fourth proportional to 153,823.62, 230,734.46 and 82,779.72 is: 124,169.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,823.62 : 230,734.46 = 82,779.72 : x
  2. Step 2: Convert to fraction form
    153,823.62/230,734.46 = 82,779.72/x
  3. Step 3: Cross multiply
    153,823.62x = 230,734.46 × 82,779.72
  4. Step 4: Simplify right side
    153,823.62x = 19,100,133,993.15
  5. Step 5: Solve for x
    x = 19,100,133,993.15/153,823.62
  6. Step 6: Final answer
    x = 124,169.06

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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.