Home / 141,204.70-211,807.05-105,775.30

Finding the Fourth Proportional to 141,204.70, 211,807.05 and 105,775.30

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Solution

The fourth proportional to 141,204.70, 211,807.05 and 105,775.30 is: 158,662.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,204.70 : 211,807.05 = 105,775.30 : x
  2. Step 2: Convert to fraction form
    141,204.70/211,807.05 = 105,775.30/x
  3. Step 3: Cross multiply
    141,204.70x = 211,807.05 × 105,775.30
  4. Step 4: Simplify right side
    141,204.70x = 22,403,954,255.87
  5. Step 5: Solve for x
    x = 22,403,954,255.87/141,204.70
  6. Step 6: Final answer
    x = 158,662.95

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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.