Home / 158,739.45-237,921.42-69,806.91

Finding the Fourth Proportional to 158,739.45, 237,921.42 and 69,806.91

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Solution

The fourth proportional to 158,739.45, 237,921.42 and 69,806.91 is: 104,627.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,739.45 : 237,921.42 = 69,806.91 : x
  2. Step 2: Convert to fraction form
    158,739.45/237,921.42 = 69,806.91/x
  3. Step 3: Cross multiply
    158,739.45x = 237,921.42 × 69,806.91
  4. Step 4: Simplify right side
    158,739.45x = 16,608,559,153.01
  5. Step 5: Solve for x
    x = 16,608,559,153.01/158,739.45
  6. Step 6: Final answer
    x = 104,627.80

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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.