Home / 141,820.77-212,768.06-53,081.13

Finding the Fourth Proportional to 141,820.77, 212,768.06 and 53,081.13

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Solution

The fourth proportional to 141,820.77, 212,768.06 and 53,081.13 is: 79,635.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,820.77 : 212,768.06 = 53,081.13 : x
  2. Step 2: Convert to fraction form
    141,820.77/212,768.06 = 53,081.13/x
  3. Step 3: Cross multiply
    141,820.77x = 212,768.06 × 53,081.13
  4. Step 4: Simplify right side
    141,820.77x = 11,293,968,787.30
  5. Step 5: Solve for x
    x = 11,293,968,787.30/141,820.77
  6. Step 6: Final answer
    x = 79,635.51

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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.