Home / 134,728.18-185,926.19-74,300.96

Finding the Fourth Proportional to 134,728.18, 185,926.19 and 74,300.96

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Solution

The fourth proportional to 134,728.18, 185,926.19 and 74,300.96 is: 102,536.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,728.18 : 185,926.19 = 74,300.96 : x
  2. Step 2: Convert to fraction form
    134,728.18/185,926.19 = 74,300.96/x
  3. Step 3: Cross multiply
    134,728.18x = 185,926.19 × 74,300.96
  4. Step 4: Simplify right side
    134,728.18x = 13,814,494,034.64
  5. Step 5: Solve for x
    x = 13,814,494,034.64/134,728.18
  6. Step 6: Final answer
    x = 102,536.04

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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.