Home / 129,189.35-193,787.81-35,695.19

Finding the Fourth Proportional to 129,189.35, 193,787.81 and 35,695.19

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Solution

The fourth proportional to 129,189.35, 193,787.81 and 35,695.19 is: 53,543.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,189.35 : 193,787.81 = 35,695.19 : x
  2. Step 2: Convert to fraction form
    129,189.35/193,787.81 = 35,695.19/x
  3. Step 3: Cross multiply
    129,189.35x = 193,787.81 × 35,695.19
  4. Step 4: Simplify right side
    129,189.35x = 6,917,292,697.63
  5. Step 5: Solve for x
    x = 6,917,292,697.63/129,189.35
  6. Step 6: Final answer
    x = 53,543.83

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1.5x scale

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.