Home / 141,738.10-212,315.55-97,414.90

Finding the Fourth Proportional to 141,738.10, 212,315.55 and 97,414.90

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Solution

The fourth proportional to 141,738.10, 212,315.55 and 97,414.90 is: 145,921.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,738.10 : 212,315.55 = 97,414.90 : x
  2. Step 2: Convert to fraction form
    141,738.10/212,315.55 = 97,414.90/x
  3. Step 3: Cross multiply
    141,738.10x = 212,315.55 × 97,414.90
  4. Step 4: Simplify right side
    141,738.10x = 20,682,698,071.70
  5. Step 5: Solve for x
    x = 20,682,698,071.70/141,738.10
  6. Step 6: Final answer
    x = 145,921.94

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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.