Home / 289,976.13-400,166.23-160,934.08

Finding the Fourth Proportional to 289,976.13, 400,166.23 and 160,934.08

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Solution

The fourth proportional to 289,976.13, 400,166.23 and 160,934.08 is: 222,088.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,976.13 : 400,166.23 = 160,934.08 : x
  2. Step 2: Convert to fraction form
    289,976.13/400,166.23 = 160,934.08/x
  3. Step 3: Cross multiply
    289,976.13x = 400,166.23 × 160,934.08
  4. Step 4: Simplify right side
    289,976.13x = 64,400,384,072.12
  5. Step 5: Solve for x
    x = 64,400,384,072.12/289,976.13
  6. Step 6: Final answer
    x = 222,088.57

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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.