Home / 141,880.12-212,824.62-53,116.66

Finding the Fourth Proportional to 141,880.12, 212,824.62 and 53,116.66

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Solution

The fourth proportional to 141,880.12, 212,824.62 and 53,116.66 is: 79,676.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,880.12 : 212,824.62 = 53,116.66 : x
  2. Step 2: Convert to fraction form
    141,880.12/212,824.62 = 53,116.66/x
  3. Step 3: Cross multiply
    141,880.12x = 212,824.62 × 53,116.66
  4. Step 4: Simplify right side
    141,880.12x = 11,304,532,980.17
  5. Step 5: Solve for x
    x = 11,304,532,980.17/141,880.12
  6. Step 6: Final answer
    x = 79,676.65

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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.