Home / 148,272.84-204,631.11-84,620.16

Finding the Fourth Proportional to 148,272.84, 204,631.11 and 84,620.16

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Solution

The fourth proportional to 148,272.84, 204,631.11 and 84,620.16 is: 116,784.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,272.84 : 204,631.11 = 84,620.16 : x
  2. Step 2: Convert to fraction form
    148,272.84/204,631.11 = 84,620.16/x
  3. Step 3: Cross multiply
    148,272.84x = 204,631.11 × 84,620.16
  4. Step 4: Simplify right side
    148,272.84x = 17,315,917,269.18
  5. Step 5: Solve for x
    x = 17,315,917,269.18/148,272.84
  6. Step 6: Final answer
    x = 116,784.15

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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.