Home / 183,815.92-253,689.76-103,243.44

Finding the Fourth Proportional to 183,815.92, 253,689.76 and 103,243.44

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Solution

The fourth proportional to 183,815.92, 253,689.76 and 103,243.44 is: 142,489.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,815.92 : 253,689.76 = 103,243.44 : x
  2. Step 2: Convert to fraction form
    183,815.92/253,689.76 = 103,243.44/x
  3. Step 3: Cross multiply
    183,815.92x = 253,689.76 × 103,243.44
  4. Step 4: Simplify right side
    183,815.92x = 26,191,803,515.17
  5. Step 5: Solve for x
    x = 26,191,803,515.17/183,815.92
  6. Step 6: Final answer
    x = 142,489.31

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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.