Home / 174,531.10-261,554.40-79,529.10

Finding the Fourth Proportional to 174,531.10, 261,554.40 and 79,529.10

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Solution

The fourth proportional to 174,531.10, 261,554.40 and 79,529.10 is: 119,183.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,531.10 : 261,554.40 = 79,529.10 : x
  2. Step 2: Convert to fraction form
    174,531.10/261,554.40 = 79,529.10/x
  3. Step 3: Cross multiply
    174,531.10x = 261,554.40 × 79,529.10
  4. Step 4: Simplify right side
    174,531.10x = 20,801,186,033.04
  5. Step 5: Solve for x
    x = 20,801,186,033.04/174,531.10
  6. Step 6: Final answer
    x = 119,183.26

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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.