Home / 141,778.78-212,699.31-41,931.19

Finding the Fourth Proportional to 141,778.78, 212,699.31 and 41,931.19

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Solution

The fourth proportional to 141,778.78, 212,699.31 and 41,931.19 is: 62,906.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,778.78 : 212,699.31 = 41,931.19 : x
  2. Step 2: Convert to fraction form
    141,778.78/212,699.31 = 41,931.19/x
  3. Step 3: Cross multiply
    141,778.78x = 212,699.31 × 41,931.19
  4. Step 4: Simplify right side
    141,778.78x = 8,918,735,603.60
  5. Step 5: Solve for x
    x = 8,918,735,603.60/141,778.78
  6. Step 6: Final answer
    x = 62,906.00

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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.