Home / 205,577.32-308,387.13-77,601.39

Finding the Fourth Proportional to 205,577.32, 308,387.13 and 77,601.39

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Solution

The fourth proportional to 205,577.32, 308,387.13 and 77,601.39 is: 116,410.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,577.32 : 308,387.13 = 77,601.39 : x
  2. Step 2: Convert to fraction form
    205,577.32/308,387.13 = 77,601.39/x
  3. Step 3: Cross multiply
    205,577.32x = 308,387.13 × 77,601.39
  4. Step 4: Simplify right side
    205,577.32x = 23,931,269,946.11
  5. Step 5: Solve for x
    x = 23,931,269,946.11/205,577.32
  6. Step 6: Final answer
    x = 116,410.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.