Home / 193,569.91-290,354.24-51,429.40

Finding the Fourth Proportional to 193,569.91, 290,354.24 and 51,429.40

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Solution

The fourth proportional to 193,569.91, 290,354.24 and 51,429.40 is: 77,143.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,569.91 : 290,354.24 = 51,429.40 : x
  2. Step 2: Convert to fraction form
    193,569.91/290,354.24 = 51,429.40/x
  3. Step 3: Cross multiply
    193,569.91x = 290,354.24 × 51,429.40
  4. Step 4: Simplify right side
    193,569.91x = 14,932,744,093.51
  5. Step 5: Solve for x
    x = 14,932,744,093.51/193,569.91
  6. Step 6: Final answer
    x = 77,143.93

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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.