Home / 342,826.50-472,943.57-222,006.70

Finding the Fourth Proportional to 342,826.50, 472,943.57 and 222,006.70

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Solution

The fourth proportional to 342,826.50, 472,943.57 and 222,006.70 is: 306,267.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,826.50 : 472,943.57 = 222,006.70 : x
  2. Step 2: Convert to fraction form
    342,826.50/472,943.57 = 222,006.70/x
  3. Step 3: Cross multiply
    342,826.50x = 472,943.57 × 222,006.70
  4. Step 4: Simplify right side
    342,826.50x = 104,996,638,969.53
  5. Step 5: Solve for x
    x = 104,996,638,969.53/342,826.50
  6. Step 6: Final answer
    x = 306,267.57

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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.