Home / 131,847.39-181,967.04-74,498.58

Finding the Fourth Proportional to 131,847.39, 181,967.04 and 74,498.58

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Solution

The fourth proportional to 131,847.39, 181,967.04 and 74,498.58 is: 102,818.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,847.39 : 181,967.04 = 74,498.58 : x
  2. Step 2: Convert to fraction form
    131,847.39/181,967.04 = 74,498.58/x
  3. Step 3: Cross multiply
    131,847.39x = 181,967.04 × 74,498.58
  4. Step 4: Simplify right side
    131,847.39x = 13,556,286,086.80
  5. Step 5: Solve for x
    x = 13,556,286,086.80/131,847.39
  6. Step 6: Final answer
    x = 102,818.01

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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.