Home / 154,353.18-231,628.60-83,325.28

Finding the Fourth Proportional to 154,353.18, 231,628.60 and 83,325.28

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Solution

The fourth proportional to 154,353.18, 231,628.60 and 83,325.28 is: 125,041.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,353.18 : 231,628.60 = 83,325.28 : x
  2. Step 2: Convert to fraction form
    154,353.18/231,628.60 = 83,325.28/x
  3. Step 3: Cross multiply
    154,353.18x = 231,628.60 × 83,325.28
  4. Step 4: Simplify right side
    154,353.18x = 19,300,517,951.01
  5. Step 5: Solve for x
    x = 19,300,517,951.01/154,353.18
  6. Step 6: Final answer
    x = 125,041.27

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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.