Home / 205,784.92-310,219.72-192,068.32

Finding the Fourth Proportional to 205,784.92, 310,219.72 and 192,068.32

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Solution

The fourth proportional to 205,784.92, 310,219.72 and 192,068.32 is: 289,542.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,784.92 : 310,219.72 = 192,068.32 : x
  2. Step 2: Convert to fraction form
    205,784.92/310,219.72 = 192,068.32/x
  3. Step 3: Cross multiply
    205,784.92x = 310,219.72 × 192,068.32
  4. Step 4: Simplify right side
    205,784.92x = 59,583,380,451.27
  5. Step 5: Solve for x
    x = 59,583,380,451.27/205,784.92
  6. Step 6: Final answer
    x = 289,542.02

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.