Home / 154,438.29-231,807.23-74,532.50

Finding the Fourth Proportional to 154,438.29, 231,807.23 and 74,532.50

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Solution

The fourth proportional to 154,438.29, 231,807.23 and 74,532.50 is: 111,871.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,438.29 : 231,807.23 = 74,532.50 : x
  2. Step 2: Convert to fraction form
    154,438.29/231,807.23 = 74,532.50/x
  3. Step 3: Cross multiply
    154,438.29x = 231,807.23 × 74,532.50
  4. Step 4: Simplify right side
    154,438.29x = 17,277,172,369.98
  5. Step 5: Solve for x
    x = 17,277,172,369.98/154,438.29
  6. Step 6: Final answer
    x = 111,871.04

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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.