Home / 141,003.20-211,453.60-70,859.20

Finding the Fourth Proportional to 141,003.20, 211,453.60 and 70,859.20

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Solution

The fourth proportional to 141,003.20, 211,453.60 and 70,859.20 is: 106,263.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,003.20 : 211,453.60 = 70,859.20 : x
  2. Step 2: Convert to fraction form
    141,003.20/211,453.60 = 70,859.20/x
  3. Step 3: Cross multiply
    141,003.20x = 211,453.60 × 70,859.20
  4. Step 4: Simplify right side
    141,003.20x = 14,983,432,933.12
  5. Step 5: Solve for x
    x = 14,983,432,933.12/141,003.20
  6. Step 6: Final answer
    x = 106,263.07

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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.