Home / 290,983.14-436,581.32-122,545.86

Finding the Fourth Proportional to 290,983.14, 436,581.32 and 122,545.86

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Solution

The fourth proportional to 290,983.14, 436,581.32 and 122,545.86 is: 183,863.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,983.14 : 436,581.32 = 122,545.86 : x
  2. Step 2: Convert to fraction form
    290,983.14/436,581.32 = 122,545.86/x
  3. Step 3: Cross multiply
    290,983.14x = 436,581.32 × 122,545.86
  4. Step 4: Simplify right side
    290,983.14x = 53,501,232,706.61
  5. Step 5: Solve for x
    x = 53,501,232,706.61/290,983.14
  6. Step 6: Final answer
    x = 183,863.69

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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.