Home / 130,834.10-196,279.05-74,701.10

Finding the Fourth Proportional to 130,834.10, 196,279.05 and 74,701.10

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Solution

The fourth proportional to 130,834.10, 196,279.05 and 74,701.10 is: 112,067.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,834.10 : 196,279.05 = 74,701.10 : x
  2. Step 2: Convert to fraction form
    130,834.10/196,279.05 = 74,701.10/x
  3. Step 3: Cross multiply
    130,834.10x = 196,279.05 × 74,701.10
  4. Step 4: Simplify right side
    130,834.10x = 14,662,260,941.96
  5. Step 5: Solve for x
    x = 14,662,260,941.96/130,834.10
  6. Step 6: Final answer
    x = 112,067.58

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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.