Home / 129,214.96-193,826.08-35,720.71

Finding the Fourth Proportional to 129,214.96, 193,826.08 and 35,720.71

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Solution

The fourth proportional to 129,214.96, 193,826.08 and 35,720.71 is: 53,582.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,214.96 : 193,826.08 = 35,720.71 : x
  2. Step 2: Convert to fraction form
    129,214.96/193,826.08 = 35,720.71/x
  3. Step 3: Cross multiply
    129,214.96x = 193,826.08 × 35,720.71
  4. Step 4: Simplify right side
    129,214.96x = 6,923,604,754.20
  5. Step 5: Solve for x
    x = 6,923,604,754.20/129,214.96
  6. Step 6: Final answer
    x = 53,582.07

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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.