Home / 205,151.23-307,696.06-64,891.63

Finding the Fourth Proportional to 205,151.23, 307,696.06 and 64,891.63

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Solution

The fourth proportional to 205,151.23, 307,696.06 and 64,891.63 is: 97,327.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,151.23 : 307,696.06 = 64,891.63 : x
  2. Step 2: Convert to fraction form
    205,151.23/307,696.06 = 64,891.63/x
  3. Step 3: Cross multiply
    205,151.23x = 307,696.06 × 64,891.63
  4. Step 4: Simplify right side
    205,151.23x = 19,966,897,015.04
  5. Step 5: Solve for x
    x = 19,966,897,015.04/205,151.23
  6. Step 6: Final answer
    x = 97,327.70

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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.