Home / 135,827.13-187,432.06-75,393.01

Finding the Fourth Proportional to 135,827.13, 187,432.06 and 75,393.01

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Solution

The fourth proportional to 135,827.13, 187,432.06 and 75,393.01 is: 104,037.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,827.13 : 187,432.06 = 75,393.01 : x
  2. Step 2: Convert to fraction form
    135,827.13/187,432.06 = 75,393.01/x
  3. Step 3: Cross multiply
    135,827.13x = 187,432.06 × 75,393.01
  4. Step 4: Simplify right side
    135,827.13x = 14,131,066,796.94
  5. Step 5: Solve for x
    x = 14,131,066,796.94/135,827.13
  6. Step 6: Final answer
    x = 104,037.15

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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.