Home / 193,790.06-290,590.32-79,916.66

Finding the Fourth Proportional to 193,790.06, 290,590.32 and 79,916.66

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Solution

The fourth proportional to 193,790.06, 290,590.32 and 79,916.66 is: 119,835.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,790.06 : 290,590.32 = 79,916.66 : x
  2. Step 2: Convert to fraction form
    193,790.06/290,590.32 = 79,916.66/x
  3. Step 3: Cross multiply
    193,790.06x = 290,590.32 × 79,916.66
  4. Step 4: Simplify right side
    193,790.06x = 23,223,007,802.73
  5. Step 5: Solve for x
    x = 23,223,007,802.73/193,790.06
  6. Step 6: Final answer
    x = 119,835.91

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1.5x scale

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.