Home / 145,672.22-201,046.84-82,022.42

Finding the Fourth Proportional to 145,672.22, 201,046.84 and 82,022.42

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Solution

The fourth proportional to 145,672.22, 201,046.84 and 82,022.42 is: 113,201.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,672.22 : 201,046.84 = 82,022.42 : x
  2. Step 2: Convert to fraction form
    145,672.22/201,046.84 = 82,022.42/x
  3. Step 3: Cross multiply
    145,672.22x = 201,046.84 × 82,022.42
  4. Step 4: Simplify right side
    145,672.22x = 16,490,348,647.71
  5. Step 5: Solve for x
    x = 16,490,348,647.71/145,672.22
  6. Step 6: Final answer
    x = 113,201.74

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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.