Home / 136,011.66-187,718.38-113,314.66

Finding the Fourth Proportional to 136,011.66, 187,718.38 and 113,314.66

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Solution

The fourth proportional to 136,011.66, 187,718.38 and 113,314.66 is: 156,392.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,011.66 : 187,718.38 = 113,314.66 : x
  2. Step 2: Convert to fraction form
    136,011.66/187,718.38 = 113,314.66/x
  3. Step 3: Cross multiply
    136,011.66x = 187,718.38 × 113,314.66
  4. Step 4: Simplify right side
    136,011.66x = 21,271,244,405.45
  5. Step 5: Solve for x
    x = 21,271,244,405.45/136,011.66
  6. Step 6: Final answer
    x = 156,392.80

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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.