Home / 136,179.55-187,933.13-82,434.16

Finding the Fourth Proportional to 136,179.55, 187,933.13 and 82,434.16

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Solution

The fourth proportional to 136,179.55, 187,933.13 and 82,434.16 is: 113,762.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,179.55 : 187,933.13 = 82,434.16 : x
  2. Step 2: Convert to fraction form
    136,179.55/187,933.13 = 82,434.16/x
  3. Step 3: Cross multiply
    136,179.55x = 187,933.13 × 82,434.16
  4. Step 4: Simplify right side
    136,179.55x = 15,492,109,707.72
  5. Step 5: Solve for x
    x = 15,492,109,707.72/136,179.55
  6. Step 6: Final answer
    x = 113,762.38

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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.