Home / 134,366.74-185,364.06-86,635.42

Finding the Fourth Proportional to 134,366.74, 185,364.06 and 86,635.42

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Solution

The fourth proportional to 134,366.74, 185,364.06 and 86,635.42 is: 119,516.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,366.74 : 185,364.06 = 86,635.42 : x
  2. Step 2: Convert to fraction form
    134,366.74/185,364.06 = 86,635.42/x
  3. Step 3: Cross multiply
    134,366.74x = 185,364.06 × 86,635.42
  4. Step 4: Simplify right side
    134,366.74x = 16,059,093,191.01
  5. Step 5: Solve for x
    x = 16,059,093,191.01/134,366.74
  6. Step 6: Final answer
    x = 119,516.88

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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.