Home / 231,715.44-319,689-146,820.24

Finding the Fourth Proportional to 231,715.44, 319,689 and 146,820.24

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Solution

The fourth proportional to 231,715.44, 319,689 and 146,820.24 is: 202,562.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,715.44 : 319,689 = 146,820.24 : x
  2. Step 2: Convert to fraction form
    231,715.44/319,689 = 146,820.24/x
  3. Step 3: Cross multiply
    231,715.44x = 319,689 × 146,820.24
  4. Step 4: Simplify right side
    231,715.44x = 46,936,815,705.36
  5. Step 5: Solve for x
    x = 46,936,815,705.36/231,715.44
  6. Step 6: Final answer
    x = 202,562.31

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1.5x scale

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.