Home / 193,036.14-289,455.47-80,685.70

Finding the Fourth Proportional to 193,036.14, 289,455.47 and 80,685.70

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Solution

The fourth proportional to 193,036.14, 289,455.47 and 80,685.70 is: 120,987.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,036.14 : 289,455.47 = 80,685.70 : x
  2. Step 2: Convert to fraction form
    193,036.14/289,455.47 = 80,685.70/x
  3. Step 3: Cross multiply
    193,036.14x = 289,455.47 × 80,685.70
  4. Step 4: Simplify right side
    193,036.14x = 23,354,916,391.28
  5. Step 5: Solve for x
    x = 23,354,916,391.28/193,036.14
  6. Step 6: Final answer
    x = 120,987.27

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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.