Home / 193,686.74-290,546.85-53,445.36

Finding the Fourth Proportional to 193,686.74, 290,546.85 and 53,445.36

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Solution

The fourth proportional to 193,686.74, 290,546.85 and 53,445.36 is: 80,172.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,686.74 : 290,546.85 = 53,445.36 : x
  2. Step 2: Convert to fraction form
    193,686.74/290,546.85 = 53,445.36/x
  3. Step 3: Cross multiply
    193,686.74x = 290,546.85 × 53,445.36
  4. Step 4: Simplify right side
    193,686.74x = 15,528,380,995.12
  5. Step 5: Solve for x
    x = 15,528,380,995.12/193,686.74
  6. Step 6: Final answer
    x = 80,172.66

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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.