Home / 193,718.48-290,577.28-51,563.78

Finding the Fourth Proportional to 193,718.48, 290,577.28 and 51,563.78

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Solution

The fourth proportional to 193,718.48, 290,577.28 and 51,563.78 is: 77,345.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,718.48 : 290,577.28 = 51,563.78 : x
  2. Step 2: Convert to fraction form
    193,718.48/290,577.28 = 51,563.78/x
  3. Step 3: Cross multiply
    193,718.48x = 290,577.28 × 51,563.78
  4. Step 4: Simplify right side
    193,718.48x = 14,983,262,938.92
  5. Step 5: Solve for x
    x = 14,983,262,938.92/193,718.48
  6. Step 6: Final answer
    x = 77,345.55

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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.