Home / 141,835.50-212,789.71-53,090.28

Finding the Fourth Proportional to 141,835.50, 212,789.71 and 53,090.28

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Solution

The fourth proportional to 141,835.50, 212,789.71 and 53,090.28 is: 79,649.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,835.50 : 212,789.71 = 53,090.28 : x
  2. Step 2: Convert to fraction form
    141,835.50/212,789.71 = 53,090.28/x
  3. Step 3: Cross multiply
    141,835.50x = 212,789.71 × 53,090.28
  4. Step 4: Simplify right side
    141,835.50x = 11,297,065,285.02
  5. Step 5: Solve for x
    x = 11,297,065,285.02/141,835.50
  6. Step 6: Final answer
    x = 79,649.07

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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.