Home / 136,065.34-187,774.23-82,360.18

Finding the Fourth Proportional to 136,065.34, 187,774.23 and 82,360.18

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Solution

The fourth proportional to 136,065.34, 187,774.23 and 82,360.18 is: 113,659.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,065.34 : 187,774.23 = 82,360.18 : x
  2. Step 2: Convert to fraction form
    136,065.34/187,774.23 = 82,360.18/x
  3. Step 3: Cross multiply
    136,065.34x = 187,774.23 × 82,360.18
  4. Step 4: Simplify right side
    136,065.34x = 15,465,119,382.16
  5. Step 5: Solve for x
    x = 15,465,119,382.16/136,065.34
  6. Step 6: Final answer
    x = 113,659.51

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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.