Home / 141,353.24-195,064.20-76,820.96

Finding the Fourth Proportional to 141,353.24, 195,064.20 and 76,820.96

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Solution

The fourth proportional to 141,353.24, 195,064.20 and 76,820.96 is: 106,011.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,353.24 : 195,064.20 = 76,820.96 : x
  2. Step 2: Convert to fraction form
    141,353.24/195,064.20 = 76,820.96/x
  3. Step 3: Cross multiply
    141,353.24x = 195,064.20 × 76,820.96
  4. Step 4: Simplify right side
    141,353.24x = 14,985,019,105.63
  5. Step 5: Solve for x
    x = 14,985,019,105.63/141,353.24
  6. Step 6: Final answer
    x = 106,011.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.