Home / 129,295.72-193,943.58-35,799.40

Finding the Fourth Proportional to 129,295.72, 193,943.58 and 35,799.40

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Solution

The fourth proportional to 129,295.72, 193,943.58 and 35,799.40 is: 53,699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,295.72 : 193,943.58 = 35,799.40 : x
  2. Step 2: Convert to fraction form
    129,295.72/193,943.58 = 35,799.40/x
  3. Step 3: Cross multiply
    129,295.72x = 193,943.58 × 35,799.40
  4. Step 4: Simplify right side
    129,295.72x = 6,943,063,797.85
  5. Step 5: Solve for x
    x = 6,943,063,797.85/129,295.72
  6. Step 6: Final answer
    x = 53,699.10

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Similar ratio
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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.