Home / 352,660.85-529,054.83-128,336.16

Finding the Fourth Proportional to 352,660.85, 529,054.83 and 128,336.16

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Solution

The fourth proportional to 352,660.85, 529,054.83 and 128,336.16 is: 192,527.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,660.85 : 529,054.83 = 128,336.16 : x
  2. Step 2: Convert to fraction form
    352,660.85/529,054.83 = 128,336.16/x
  3. Step 3: Cross multiply
    352,660.85x = 529,054.83 × 128,336.16
  4. Step 4: Simplify right side
    352,660.85x = 67,896,865,311.65
  5. Step 5: Solve for x
    x = 67,896,865,311.65/352,660.85
  6. Step 6: Final answer
    x = 192,527.37

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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.