Home / 129,001.42-193,495.26-40,244.74

Finding the Fourth Proportional to 129,001.42, 193,495.26 and 40,244.74

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Solution

The fourth proportional to 129,001.42, 193,495.26 and 40,244.74 is: 60,364.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,001.42 : 193,495.26 = 40,244.74 : x
  2. Step 2: Convert to fraction form
    129,001.42/193,495.26 = 40,244.74/x
  3. Step 3: Cross multiply
    129,001.42x = 193,495.26 × 40,244.74
  4. Step 4: Simplify right side
    129,001.42x = 7,787,166,429.93
  5. Step 5: Solve for x
    x = 7,787,166,429.93/129,001.42
  6. Step 6: Final answer
    x = 60,364.97

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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.