Home / 141,426.09-212,083.53-51,447.45

Finding the Fourth Proportional to 141,426.09, 212,083.53 and 51,447.45

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Solution

The fourth proportional to 141,426.09, 212,083.53 and 51,447.45 is: 77,150.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,426.09 : 212,083.53 = 51,447.45 : x
  2. Step 2: Convert to fraction form
    141,426.09/212,083.53 = 51,447.45/x
  3. Step 3: Cross multiply
    141,426.09x = 212,083.53 × 51,447.45
  4. Step 4: Simplify right side
    141,426.09x = 10,911,156,805.50
  5. Step 5: Solve for x
    x = 10,911,156,805.50/141,426.09
  6. Step 6: Final answer
    x = 77,150.95

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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.