Home / 193,033.77-289,589.38-66,678.63

Finding the Fourth Proportional to 193,033.77, 289,589.38 and 66,678.63

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Solution

The fourth proportional to 193,033.77, 289,589.38 and 66,678.63 is: 100,031.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,033.77 : 289,589.38 = 66,678.63 : x
  2. Step 2: Convert to fraction form
    193,033.77/289,589.38 = 66,678.63/x
  3. Step 3: Cross multiply
    193,033.77x = 289,589.38 × 66,678.63
  4. Step 4: Simplify right side
    193,033.77x = 19,309,421,868.29
  5. Step 5: Solve for x
    x = 19,309,421,868.29/193,033.77
  6. Step 6: Final answer
    x = 100,031.32

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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.