Home / 193,010.04-289,479.83-80,660.21

Finding the Fourth Proportional to 193,010.04, 289,479.83 and 80,660.21

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Solution

The fourth proportional to 193,010.04, 289,479.83 and 80,660.21 is: 120,975.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,010.04 : 289,479.83 = 80,660.21 : x
  2. Step 2: Convert to fraction form
    193,010.04/289,479.83 = 80,660.21/x
  3. Step 3: Cross multiply
    193,010.04x = 289,479.83 × 80,660.21
  4. Step 4: Simplify right side
    193,010.04x = 23,349,502,027.86
  5. Step 5: Solve for x
    x = 23,349,502,027.86/193,010.04
  6. Step 6: Final answer
    x = 120,975.58

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1.5x scale

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.