Home / 163,916.20-245,829.30-103,854.52

Finding the Fourth Proportional to 163,916.20, 245,829.30 and 103,854.52

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Solution

The fourth proportional to 163,916.20, 245,829.30 and 103,854.52 is: 155,753.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,916.20 : 245,829.30 = 103,854.52 : x
  2. Step 2: Convert to fraction form
    163,916.20/245,829.30 = 103,854.52/x
  3. Step 3: Cross multiply
    163,916.20x = 245,829.30 × 103,854.52
  4. Step 4: Simplify right side
    163,916.20x = 25,530,483,953.44
  5. Step 5: Solve for x
    x = 25,530,483,953.44/163,916.20
  6. Step 6: Final answer
    x = 155,753.27

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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.