Home / 141,609.40-212,414.10-134,720.35

Finding the Fourth Proportional to 141,609.40, 212,414.10 and 134,720.35

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Solution

The fourth proportional to 141,609.40, 212,414.10 and 134,720.35 is: 202,080.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,609.40 : 212,414.10 = 134,720.35 : x
  2. Step 2: Convert to fraction form
    141,609.40/212,414.10 = 134,720.35/x
  3. Step 3: Cross multiply
    141,609.40x = 212,414.10 × 134,720.35
  4. Step 4: Simplify right side
    141,609.40x = 28,616,501,896.94
  5. Step 5: Solve for x
    x = 28,616,501,896.94/141,609.40
  6. Step 6: Final answer
    x = 202,080.53

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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.