Home / 154,438.48-231,807.52-74,532.69

Finding the Fourth Proportional to 154,438.48, 231,807.52 and 74,532.69

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Solution

The fourth proportional to 154,438.48, 231,807.52 and 74,532.69 is: 111,871.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,438.48 : 231,807.52 = 74,532.69 : x
  2. Step 2: Convert to fraction form
    154,438.48/231,807.52 = 74,532.69/x
  3. Step 3: Cross multiply
    154,438.48x = 231,807.52 × 74,532.69
  4. Step 4: Simplify right side
    154,438.48x = 17,277,238,027.83
  5. Step 5: Solve for x
    x = 17,277,238,027.83/154,438.48
  6. Step 6: Final answer
    x = 111,871.33

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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.