Home / 162,555.33-243,772.50-55,909.35

Finding the Fourth Proportional to 162,555.33, 243,772.50 and 55,909.35

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Solution

The fourth proportional to 162,555.33, 243,772.50 and 55,909.35 is: 83,843.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,555.33 : 243,772.50 = 55,909.35 : x
  2. Step 2: Convert to fraction form
    162,555.33/243,772.50 = 55,909.35/x
  3. Step 3: Cross multiply
    162,555.33x = 243,772.50 × 55,909.35
  4. Step 4: Simplify right side
    162,555.33x = 13,629,162,022.88
  5. Step 5: Solve for x
    x = 13,629,162,022.88/162,555.33
  6. Step 6: Final answer
    x = 83,843.22

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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.