Home / 384,529.38-576,795.48-118,288.05

Finding the Fourth Proportional to 384,529.38, 576,795.48 and 118,288.05

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Solution

The fourth proportional to 384,529.38, 576,795.48 and 118,288.05 is: 177,432.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,529.38 : 576,795.48 = 118,288.05 : x
  2. Step 2: Convert to fraction form
    384,529.38/576,795.48 = 118,288.05/x
  3. Step 3: Cross multiply
    384,529.38x = 576,795.48 × 118,288.05
  4. Step 4: Simplify right side
    384,529.38x = 68,228,009,694.04
  5. Step 5: Solve for x
    x = 68,228,009,694.04/384,529.38
  6. Step 6: Final answer
    x = 177,432.50

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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.