Home / 193,417.92-290,088-53,158.32

Finding the Fourth Proportional to 193,417.92, 290,088 and 53,158.32

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Solution

The fourth proportional to 193,417.92, 290,088 and 53,158.32 is: 79,726.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,417.92 : 290,088 = 53,158.32 : x
  2. Step 2: Convert to fraction form
    193,417.92/290,088 = 53,158.32/x
  3. Step 3: Cross multiply
    193,417.92x = 290,088 × 53,158.32
  4. Step 4: Simplify right side
    193,417.92x = 15,420,590,732.16
  5. Step 5: Solve for x
    x = 15,420,590,732.16/193,417.92
  6. Step 6: Final answer
    x = 79,726.79

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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.