Home / 135,747.03-187,324.58-75,317.01

Finding the Fourth Proportional to 135,747.03, 187,324.58 and 75,317.01

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Solution

The fourth proportional to 135,747.03, 187,324.58 and 75,317.01 is: 103,933.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,747.03 : 187,324.58 = 75,317.01 : x
  2. Step 2: Convert to fraction form
    135,747.03/187,324.58 = 75,317.01/x
  3. Step 3: Cross multiply
    135,747.03x = 187,324.58 × 75,317.01
  4. Step 4: Simplify right side
    135,747.03x = 14,108,726,888.52
  5. Step 5: Solve for x
    x = 14,108,726,888.52/135,747.03
  6. Step 6: Final answer
    x = 103,933.96

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1.5x scale

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.