Home / 141,543.54-212,315.31-36,362.61

Finding the Fourth Proportional to 141,543.54, 212,315.31 and 36,362.61

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Solution

The fourth proportional to 141,543.54, 212,315.31 and 36,362.61 is: 54,543.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,543.54 : 212,315.31 = 36,362.61 : x
  2. Step 2: Convert to fraction form
    141,543.54/212,315.31 = 36,362.61/x
  3. Step 3: Cross multiply
    141,543.54x = 212,315.31 × 36,362.61
  4. Step 4: Simplify right side
    141,543.54x = 7,720,338,814.56
  5. Step 5: Solve for x
    x = 7,720,338,814.56/141,543.54
  6. Step 6: Final answer
    x = 54,543.92

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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.