Home / 141,941.96-212,876.62-42,078.82

Finding the Fourth Proportional to 141,941.96, 212,876.62 and 42,078.82

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Solution

The fourth proportional to 141,941.96, 212,876.62 and 42,078.82 is: 63,107.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,941.96 : 212,876.62 = 42,078.82 : x
  2. Step 2: Convert to fraction form
    141,941.96/212,876.62 = 42,078.82/x
  3. Step 3: Cross multiply
    141,941.96x = 212,876.62 × 42,078.82
  4. Step 4: Simplify right side
    141,941.96x = 8,957,596,975.19
  5. Step 5: Solve for x
    x = 8,957,596,975.19/141,941.96
  6. Step 6: Final answer
    x = 63,107.46

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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.