Home / 168,963.47-253,495.78-97,869.57

Finding the Fourth Proportional to 168,963.47, 253,495.78 and 97,869.57

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Solution

The fourth proportional to 168,963.47, 253,495.78 and 97,869.57 is: 146,833.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,963.47 : 253,495.78 = 97,869.57 : x
  2. Step 2: Convert to fraction form
    168,963.47/253,495.78 = 97,869.57/x
  3. Step 3: Cross multiply
    168,963.47x = 253,495.78 × 97,869.57
  4. Step 4: Simplify right side
    168,963.47x = 24,809,521,790.13
  5. Step 5: Solve for x
    x = 24,809,521,790.13/168,963.47
  6. Step 6: Final answer
    x = 146,833.64

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1.5x scale

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.