Home / 141,741.35-212,612.31-133,080.83

Finding the Fourth Proportional to 141,741.35, 212,612.31 and 133,080.83

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Solution

The fourth proportional to 141,741.35, 212,612.31 and 133,080.83 is: 199,621.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,741.35 : 212,612.31 = 133,080.83 : x
  2. Step 2: Convert to fraction form
    141,741.35/212,612.31 = 133,080.83/x
  3. Step 3: Cross multiply
    141,741.35x = 212,612.31 × 133,080.83
  4. Step 4: Simplify right side
    141,741.35x = 28,294,621,619.96
  5. Step 5: Solve for x
    x = 28,294,621,619.96/141,741.35
  6. Step 6: Final answer
    x = 199,621.51

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1.5x scale

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.