Home / 130,203.62-194,986.94-117,581.90

Finding the Fourth Proportional to 130,203.62, 194,986.94 and 117,581.90

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Solution

The fourth proportional to 130,203.62, 194,986.94 and 117,581.90 is: 176,085.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,203.62 : 194,986.94 = 117,581.90 : x
  2. Step 2: Convert to fraction form
    130,203.62/194,986.94 = 117,581.90/x
  3. Step 3: Cross multiply
    130,203.62x = 194,986.94 × 117,581.90
  4. Step 4: Simplify right side
    130,203.62x = 22,926,934,880.39
  5. Step 5: Solve for x
    x = 22,926,934,880.39/130,203.62
  6. Step 6: Final answer
    x = 176,085.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.