Home / 137,816.66-190,182.17-84,191.42

Finding the Fourth Proportional to 137,816.66, 190,182.17 and 84,191.42

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Solution

The fourth proportional to 137,816.66, 190,182.17 and 84,191.42 is: 116,181.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,816.66 : 190,182.17 = 84,191.42 : x
  2. Step 2: Convert to fraction form
    137,816.66/190,182.17 = 84,191.42/x
  3. Step 3: Cross multiply
    137,816.66x = 190,182.17 × 84,191.42
  4. Step 4: Simplify right side
    137,816.66x = 16,011,706,210.55
  5. Step 5: Solve for x
    x = 16,011,706,210.55/137,816.66
  6. Step 6: Final answer
    x = 116,181.21

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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.