Home / 141,376.60-212,099.76-70,332.96

Finding the Fourth Proportional to 141,376.60, 212,099.76 and 70,332.96

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Solution

The fourth proportional to 141,376.60, 212,099.76 and 70,332.96 is: 105,516.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,376.60 : 212,099.76 = 70,332.96 : x
  2. Step 2: Convert to fraction form
    141,376.60/212,099.76 = 70,332.96/x
  3. Step 3: Cross multiply
    141,376.60x = 212,099.76 × 70,332.96
  4. Step 4: Simplify right side
    141,376.60x = 14,917,603,936.09
  5. Step 5: Solve for x
    x = 14,917,603,936.09/141,376.60
  6. Step 6: Final answer
    x = 105,516.78

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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.