Home / 141,932.70-212,704.65-115,688.70

Finding the Fourth Proportional to 141,932.70, 212,704.65 and 115,688.70

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Solution

The fourth proportional to 141,932.70, 212,704.65 and 115,688.70 is: 173,374.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,932.70 : 212,704.65 = 115,688.70 : x
  2. Step 2: Convert to fraction form
    141,932.70/212,704.65 = 115,688.70/x
  3. Step 3: Cross multiply
    141,932.70x = 212,704.65 × 115,688.70
  4. Step 4: Simplify right side
    141,932.70x = 24,607,524,442.46
  5. Step 5: Solve for x
    x = 24,607,524,442.46/141,932.70
  6. Step 6: Final answer
    x = 173,374.60

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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.