Home / 251,558.12-377,339.81-74,068.49

Finding the Fourth Proportional to 251,558.12, 377,339.81 and 74,068.49

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Solution

The fourth proportional to 251,558.12, 377,339.81 and 74,068.49 is: 111,103.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,558.12 : 377,339.81 = 74,068.49 : x
  2. Step 2: Convert to fraction form
    251,558.12/377,339.81 = 74,068.49/x
  3. Step 3: Cross multiply
    251,558.12x = 377,339.81 × 74,068.49
  4. Step 4: Simplify right side
    251,558.12x = 27,948,989,943.59
  5. Step 5: Solve for x
    x = 27,948,989,943.59/251,558.12
  6. Step 6: Final answer
    x = 111,103.51

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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.