Home / 144,824.72-217,354.44-74,724.08

Finding the Fourth Proportional to 144,824.72, 217,354.44 and 74,724.08

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Solution

The fourth proportional to 144,824.72, 217,354.44 and 74,724.08 is: 112,146.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,824.72 : 217,354.44 = 74,724.08 : x
  2. Step 2: Convert to fraction form
    144,824.72/217,354.44 = 74,724.08/x
  3. Step 3: Cross multiply
    144,824.72x = 217,354.44 × 74,724.08
  4. Step 4: Simplify right side
    144,824.72x = 16,241,610,562.92
  5. Step 5: Solve for x
    x = 16,241,610,562.92/144,824.72
  6. Step 6: Final answer
    x = 112,146.67

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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.