Home / 136,166.84-187,907.54-75,736.18

Finding the Fourth Proportional to 136,166.84, 187,907.54 and 75,736.18

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Solution

The fourth proportional to 136,166.84, 187,907.54 and 75,736.18 is: 104,514.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,166.84 : 187,907.54 = 75,736.18 : x
  2. Step 2: Convert to fraction form
    136,166.84/187,907.54 = 75,736.18/x
  3. Step 3: Cross multiply
    136,166.84x = 187,907.54 × 75,736.18
  4. Step 4: Simplify right side
    136,166.84x = 14,231,398,613.69
  5. Step 5: Solve for x
    x = 14,231,398,613.69/136,166.84
  6. Step 6: Final answer
    x = 104,514.43

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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.