Home / 135,650.03-187,199.27-75,223.19

Finding the Fourth Proportional to 135,650.03, 187,199.27 and 75,223.19

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Solution

The fourth proportional to 135,650.03, 187,199.27 and 75,223.19 is: 103,809.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,650.03 : 187,199.27 = 75,223.19 : x
  2. Step 2: Convert to fraction form
    135,650.03/187,199.27 = 75,223.19/x
  3. Step 3: Cross multiply
    135,650.03x = 187,199.27 × 75,223.19
  4. Step 4: Simplify right side
    135,650.03x = 14,081,725,878.96
  5. Step 5: Solve for x
    x = 14,081,725,878.96/135,650.03
  6. Step 6: Final answer
    x = 103,809.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.