Home / 135,918.99-187,570.71-75,495.24

Finding the Fourth Proportional to 135,918.99, 187,570.71 and 75,495.24

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Solution

The fourth proportional to 135,918.99, 187,570.71 and 75,495.24 is: 104,184.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,918.99 : 187,570.71 = 75,495.24 : x
  2. Step 2: Convert to fraction form
    135,918.99/187,570.71 = 75,495.24/x
  3. Step 3: Cross multiply
    135,918.99x = 187,570.71 × 75,495.24
  4. Step 4: Simplify right side
    135,918.99x = 14,160,695,768.42
  5. Step 5: Solve for x
    x = 14,160,695,768.42/135,918.99
  6. Step 6: Final answer
    x = 104,184.82

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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.