Home / 129,245.96-193,869.01-40,506.38

Finding the Fourth Proportional to 129,245.96, 193,869.01 and 40,506.38

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Solution

The fourth proportional to 129,245.96, 193,869.01 and 40,506.38 is: 60,759.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,245.96 : 193,869.01 = 40,506.38 : x
  2. Step 2: Convert to fraction form
    129,245.96/193,869.01 = 40,506.38/x
  3. Step 3: Cross multiply
    129,245.96x = 193,869.01 × 40,506.38
  4. Step 4: Simplify right side
    129,245.96x = 7,852,931,597.58
  5. Step 5: Solve for x
    x = 7,852,931,597.58/129,245.96
  6. Step 6: Final answer
    x = 60,759.59

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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.