Home / 129,112.95-193,680.58-35,618.70

Finding the Fourth Proportional to 129,112.95, 193,680.58 and 35,618.70

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Solution

The fourth proportional to 129,112.95, 193,680.58 and 35,618.70 is: 53,431.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,112.95 : 193,680.58 = 35,618.70 : x
  2. Step 2: Convert to fraction form
    129,112.95/193,680.58 = 35,618.70/x
  3. Step 3: Cross multiply
    129,112.95x = 193,680.58 × 35,618.70
  4. Step 4: Simplify right side
    129,112.95x = 6,898,649,594.80
  5. Step 5: Solve for x
    x = 6,898,649,594.80/129,112.95
  6. Step 6: Final answer
    x = 53,431.12

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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.