Home / 154,439.69-231,663.58-53,236.67

Finding the Fourth Proportional to 154,439.69, 231,663.58 and 53,236.67

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Solution

The fourth proportional to 154,439.69, 231,663.58 and 53,236.67 is: 79,856.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,439.69 : 231,663.58 = 53,236.67 : x
  2. Step 2: Convert to fraction form
    154,439.69/231,663.58 = 53,236.67/x
  3. Step 3: Cross multiply
    154,439.69x = 231,663.58 × 53,236.67
  4. Step 4: Simplify right side
    154,439.69x = 12,332,996,268.07
  5. Step 5: Solve for x
    x = 12,332,996,268.07/154,439.69
  6. Step 6: Final answer
    x = 79,856.39

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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.