Home / 135,901.36-187,537.53-75,475.90

Finding the Fourth Proportional to 135,901.36, 187,537.53 and 75,475.90

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Solution

The fourth proportional to 135,901.36, 187,537.53 and 75,475.90 is: 104,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,901.36 : 187,537.53 = 75,475.90 : x
  2. Step 2: Convert to fraction form
    135,901.36/187,537.53 = 75,475.90/x
  3. Step 3: Cross multiply
    135,901.36x = 187,537.53 × 75,475.90
  4. Step 4: Simplify right side
    135,901.36x = 14,154,563,860.53
  5. Step 5: Solve for x
    x = 14,154,563,860.53/135,901.36
  6. Step 6: Final answer
    x = 104,153.22

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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.