Home / 141,580.22-212,468.70-91,536.20

Finding the Fourth Proportional to 141,580.22, 212,468.70 and 91,536.20

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Solution

The fourth proportional to 141,580.22, 212,468.70 and 91,536.20 is: 137,367.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,580.22 : 212,468.70 = 91,536.20 : x
  2. Step 2: Convert to fraction form
    141,580.22/212,468.70 = 91,536.20/x
  3. Step 3: Cross multiply
    141,580.22x = 212,468.70 × 91,536.20
  4. Step 4: Simplify right side
    141,580.22x = 19,448,576,354.60
  5. Step 5: Solve for x
    x = 19,448,576,354.60/141,580.22
  6. Step 6: Final answer
    x = 137,367.90

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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.