Home / 113,188.23-169,816.30-45,685.54

Finding the Fourth Proportional to 113,188.23, 169,816.30 and 45,685.54

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Solution

The fourth proportional to 113,188.23, 169,816.30 and 45,685.54 is: 68,542.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,188.23 : 169,816.30 = 45,685.54 : x
  2. Step 2: Convert to fraction form
    113,188.23/169,816.30 = 45,685.54/x
  3. Step 3: Cross multiply
    113,188.23x = 169,816.30 × 45,685.54
  4. Step 4: Simplify right side
    113,188.23x = 7,758,148,509.14
  5. Step 5: Solve for x
    x = 7,758,148,509.14/113,188.23
  6. Step 6: Final answer
    x = 68,542.01

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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.