Home / 214,674.10-321,974.70-56,918.50

Finding the Fourth Proportional to 214,674.10, 321,974.70 and 56,918.50

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Solution

The fourth proportional to 214,674.10, 321,974.70 and 56,918.50 is: 85,368.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,674.10 : 321,974.70 = 56,918.50 : x
  2. Step 2: Convert to fraction form
    214,674.10/321,974.70 = 56,918.50/x
  3. Step 3: Cross multiply
    214,674.10x = 321,974.70 × 56,918.50
  4. Step 4: Simplify right side
    214,674.10x = 18,326,315,943.57
  5. Step 5: Solve for x
    x = 18,326,315,943.57/214,674.10
  6. Step 6: Final answer
    x = 85,368.08

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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.