Home / 109,044.80-163,567.20-102,593.60

Finding the Fourth Proportional to 109,044.80, 163,567.20 and 102,593.60

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Solution

The fourth proportional to 109,044.80, 163,567.20 and 102,593.60 is: 153,890.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,044.80 : 163,567.20 = 102,593.60 : x
  2. Step 2: Convert to fraction form
    109,044.80/163,567.20 = 102,593.60/x
  3. Step 3: Cross multiply
    109,044.80x = 163,567.20 × 102,593.60
  4. Step 4: Simplify right side
    109,044.80x = 16,780,947,889.92
  5. Step 5: Solve for x
    x = 16,780,947,889.92/109,044.80
  6. Step 6: Final answer
    x = 153,890.40

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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.