Home / 289,936.86-400,126.32-181,105.62

Finding the Fourth Proportional to 289,936.86, 400,126.32 and 181,105.62

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Solution

The fourth proportional to 289,936.86, 400,126.32 and 181,105.62 is: 249,934.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,936.86 : 400,126.32 = 181,105.62 : x
  2. Step 2: Convert to fraction form
    289,936.86/400,126.32 = 181,105.62/x
  3. Step 3: Cross multiply
    289,936.86x = 400,126.32 × 181,105.62
  4. Step 4: Simplify right side
    289,936.86x = 72,465,125,261.92
  5. Step 5: Solve for x
    x = 72,465,125,261.92/289,936.86
  6. Step 6: Final answer
    x = 249,934.16

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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.