Home / 136,166.31-187,777.58-90,846.14

Finding the Fourth Proportional to 136,166.31, 187,777.58 and 90,846.14

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Solution

The fourth proportional to 136,166.31, 187,777.58 and 90,846.14 is: 125,279.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,166.31 : 187,777.58 = 90,846.14 : x
  2. Step 2: Convert to fraction form
    136,166.31/187,777.58 = 90,846.14/x
  3. Step 3: Cross multiply
    136,166.31x = 187,777.58 × 90,846.14
  4. Step 4: Simplify right side
    136,166.31x = 17,058,866,928.42
  5. Step 5: Solve for x
    x = 17,058,866,928.42/136,166.31
  6. Step 6: Final answer
    x = 125,279.64

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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.