Home / 165,722.20-248,583.30-119,411.80

Finding the Fourth Proportional to 165,722.20, 248,583.30 and 119,411.80

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Solution

The fourth proportional to 165,722.20, 248,583.30 and 119,411.80 is: 179,117.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,722.20 : 248,583.30 = 119,411.80 : x
  2. Step 2: Convert to fraction form
    165,722.20/248,583.30 = 119,411.80/x
  3. Step 3: Cross multiply
    165,722.20x = 248,583.30 × 119,411.80
  4. Step 4: Simplify right side
    165,722.20x = 29,683,779,302.94
  5. Step 5: Solve for x
    x = 29,683,779,302.94/165,722.20
  6. Step 6: Final answer
    x = 179,117.70

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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.