Home / 193,645.08-290,508.93-67,289.13

Finding the Fourth Proportional to 193,645.08, 290,508.93 and 67,289.13

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Solution

The fourth proportional to 193,645.08, 290,508.93 and 67,289.13 is: 100,948.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,645.08 : 290,508.93 = 67,289.13 : x
  2. Step 2: Convert to fraction form
    193,645.08/290,508.93 = 67,289.13/x
  3. Step 3: Cross multiply
    193,645.08x = 290,508.93 × 67,289.13
  4. Step 4: Simplify right side
    193,645.08x = 19,548,093,156.93
  5. Step 5: Solve for x
    x = 19,548,093,156.93/193,645.08
  6. Step 6: Final answer
    x = 100,948.05

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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.