Home / 205,127.47-307,095.33-119,477.17

Finding the Fourth Proportional to 205,127.47, 307,095.33 and 119,477.17

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Solution

The fourth proportional to 205,127.47, 307,095.33 and 119,477.17 is: 178,868.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,127.47 : 307,095.33 = 119,477.17 : x
  2. Step 2: Convert to fraction form
    205,127.47/307,095.33 = 119,477.17/x
  3. Step 3: Cross multiply
    205,127.47x = 307,095.33 × 119,477.17
  4. Step 4: Simplify right side
    205,127.47x = 36,690,880,948.62
  5. Step 5: Solve for x
    x = 36,690,880,948.62/205,127.47
  6. Step 6: Final answer
    x = 178,868.69

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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.