Home / 148,068.16-204,333.40-80,085.20

Finding the Fourth Proportional to 148,068.16, 204,333.40 and 80,085.20

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Solution

The fourth proportional to 148,068.16, 204,333.40 and 80,085.20 is: 110,517.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,068.16 : 204,333.40 = 80,085.20 : x
  2. Step 2: Convert to fraction form
    148,068.16/204,333.40 = 80,085.20/x
  3. Step 3: Cross multiply
    148,068.16x = 204,333.40 × 80,085.20
  4. Step 4: Simplify right side
    148,068.16x = 16,364,081,205.68
  5. Step 5: Solve for x
    x = 16,364,081,205.68/148,068.16
  6. Step 6: Final answer
    x = 110,517.22

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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.