Home / 136,217.22-187,988.22-75,801.36

Finding the Fourth Proportional to 136,217.22, 187,988.22 and 75,801.36

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Solution

The fourth proportional to 136,217.22, 187,988.22 and 75,801.36 is: 104,610.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,217.22 : 187,988.22 = 75,801.36 : x
  2. Step 2: Convert to fraction form
    136,217.22/187,988.22 = 75,801.36/x
  3. Step 3: Cross multiply
    136,217.22x = 187,988.22 × 75,801.36
  4. Step 4: Simplify right side
    136,217.22x = 14,249,762,739.98
  5. Step 5: Solve for x
    x = 14,249,762,739.98/136,217.22
  6. Step 6: Final answer
    x = 104,610.58

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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.