Home / 193,435.68-290,048.96-67,066.72

Finding the Fourth Proportional to 193,435.68, 290,048.96 and 67,066.72

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Solution

The fourth proportional to 193,435.68, 290,048.96 and 67,066.72 is: 100,563.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,435.68 : 290,048.96 = 67,066.72 : x
  2. Step 2: Convert to fraction form
    193,435.68/290,048.96 = 67,066.72/x
  3. Step 3: Cross multiply
    193,435.68x = 290,048.96 × 67,066.72
  4. Step 4: Simplify right side
    193,435.68x = 19,452,632,386.61
  5. Step 5: Solve for x
    x = 19,452,632,386.61/193,435.68
  6. Step 6: Final answer
    x = 100,563.83

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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.