Home / 135,934.72-187,587.02-75,504.26

Finding the Fourth Proportional to 135,934.72, 187,587.02 and 75,504.26

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Solution

The fourth proportional to 135,934.72, 187,587.02 and 75,504.26 is: 104,194.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,934.72 : 187,587.02 = 75,504.26 : x
  2. Step 2: Convert to fraction form
    135,934.72/187,587.02 = 75,504.26/x
  3. Step 3: Cross multiply
    135,934.72x = 187,587.02 × 75,504.26
  4. Step 4: Simplify right side
    135,934.72x = 14,163,619,130.71
  5. Step 5: Solve for x
    x = 14,163,619,130.71/135,934.72
  6. Step 6: Final answer
    x = 104,194.27

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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.