Home / 141,975.10-212,598.42-137,770.66

Finding the Fourth Proportional to 141,975.10, 212,598.42 and 137,770.66

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Solution

The fourth proportional to 141,975.10, 212,598.42 and 137,770.66 is: 206,302.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,975.10 : 212,598.42 = 137,770.66 : x
  2. Step 2: Convert to fraction form
    141,975.10/212,598.42 = 137,770.66/x
  3. Step 3: Cross multiply
    141,975.10x = 212,598.42 × 137,770.66
  4. Step 4: Simplify right side
    141,975.10x = 29,289,824,638.36
  5. Step 5: Solve for x
    x = 29,289,824,638.36/141,975.10
  6. Step 6: Final answer
    x = 206,302.55

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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.