Home / 154,627.25-231,913.46-70,367.81

Finding the Fourth Proportional to 154,627.25, 231,913.46 and 70,367.81

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Solution

The fourth proportional to 154,627.25, 231,913.46 and 70,367.81 is: 105,539.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,627.25 : 231,913.46 = 70,367.81 : x
  2. Step 2: Convert to fraction form
    154,627.25/231,913.46 = 70,367.81/x
  3. Step 3: Cross multiply
    154,627.25x = 231,913.46 × 70,367.81
  4. Step 4: Simplify right side
    154,627.25x = 16,319,241,306.07
  5. Step 5: Solve for x
    x = 16,319,241,306.07/154,627.25
  6. Step 6: Final answer
    x = 105,539.24

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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.