Home / 174,732.20-261,878.94-74,774.84

Finding the Fourth Proportional to 174,732.20, 261,878.94 and 74,774.84

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Solution

The fourth proportional to 174,732.20, 261,878.94 and 74,774.84 is: 112,068.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,732.20 : 261,878.94 = 74,774.84 : x
  2. Step 2: Convert to fraction form
    174,732.20/261,878.94 = 74,774.84/x
  3. Step 3: Cross multiply
    174,732.20x = 261,878.94 × 74,774.84
  4. Step 4: Simplify right side
    174,732.20x = 19,581,955,837.87
  5. Step 5: Solve for x
    x = 19,581,955,837.87/174,732.20
  6. Step 6: Final answer
    x = 112,068.39

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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.