Home / 136,065.93-187,705.67-117,170.25

Finding the Fourth Proportional to 136,065.93, 187,705.67 and 117,170.25

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Solution

The fourth proportional to 136,065.93, 187,705.67 and 117,170.25 is: 161,638.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,065.93 : 187,705.67 = 117,170.25 : x
  2. Step 2: Convert to fraction form
    136,065.93/187,705.67 = 117,170.25/x
  3. Step 3: Cross multiply
    136,065.93x = 187,705.67 × 117,170.25
  4. Step 4: Simplify right side
    136,065.93x = 21,993,519,694.47
  5. Step 5: Solve for x
    x = 21,993,519,694.47/136,065.93
  6. Step 6: Final answer
    x = 161,638.70

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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.