Home / 134,114.26-185,071.04-80,388.84

Finding the Fourth Proportional to 134,114.26, 185,071.04 and 80,388.84

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Solution

The fourth proportional to 134,114.26, 185,071.04 and 80,388.84 is: 110,932.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,114.26 : 185,071.04 = 80,388.84 : x
  2. Step 2: Convert to fraction form
    134,114.26/185,071.04 = 80,388.84/x
  3. Step 3: Cross multiply
    134,114.26x = 185,071.04 × 80,388.84
  4. Step 4: Simplify right side
    134,114.26x = 14,877,646,223.19
  5. Step 5: Solve for x
    x = 14,877,646,223.19/134,114.26
  6. Step 6: Final answer
    x = 110,932.62

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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.