Home / 148,278.56-204,639.06-84,625.94

Finding the Fourth Proportional to 148,278.56, 204,639.06 and 84,625.94

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Solution

The fourth proportional to 148,278.56, 204,639.06 and 84,625.94 is: 116,792.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,278.56 : 204,639.06 = 84,625.94 : x
  2. Step 2: Convert to fraction form
    148,278.56/204,639.06 = 84,625.94/x
  3. Step 3: Cross multiply
    148,278.56x = 204,639.06 × 84,625.94
  4. Step 4: Simplify right side
    148,278.56x = 17,317,772,813.22
  5. Step 5: Solve for x
    x = 17,317,772,813.22/148,278.56
  6. Step 6: Final answer
    x = 116,792.16

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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.