Home / 119,696.49-165,178-65,981.71

Finding the Fourth Proportional to 119,696.49, 165,178 and 65,981.71

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Solution

The fourth proportional to 119,696.49, 165,178 and 65,981.71 is: 91,053.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,696.49 : 165,178 = 65,981.71 : x
  2. Step 2: Convert to fraction form
    119,696.49/165,178 = 65,981.71/x
  3. Step 3: Cross multiply
    119,696.49x = 165,178 × 65,981.71
  4. Step 4: Simplify right side
    119,696.49x = 10,898,726,894.38
  5. Step 5: Solve for x
    x = 10,898,726,894.38/119,696.49
  6. Step 6: Final answer
    x = 91,053.02

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1.5x scale

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.