Home / 130,934.75-196,414.81-52,031.30

Finding the Fourth Proportional to 130,934.75, 196,414.81 and 52,031.30

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Solution

The fourth proportional to 130,934.75, 196,414.81 and 52,031.30 is: 78,051.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,934.75 : 196,414.81 = 52,031.30 : x
  2. Step 2: Convert to fraction form
    130,934.75/196,414.81 = 52,031.30/x
  3. Step 3: Cross multiply
    130,934.75x = 196,414.81 × 52,031.30
  4. Step 4: Simplify right side
    130,934.75x = 10,219,716,791.40
  5. Step 5: Solve for x
    x = 10,219,716,791.40/130,934.75
  6. Step 6: Final answer
    x = 78,051.99

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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.