Home / 193,638.60-290,458.13-60,519.56

Finding the Fourth Proportional to 193,638.60, 290,458.13 and 60,519.56

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Solution

The fourth proportional to 193,638.60, 290,458.13 and 60,519.56 is: 90,779.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,638.60 : 290,458.13 = 60,519.56 : x
  2. Step 2: Convert to fraction form
    193,638.60/290,458.13 = 60,519.56/x
  3. Step 3: Cross multiply
    193,638.60x = 290,458.13 × 60,519.56
  4. Step 4: Simplify right side
    193,638.60x = 17,578,396,641.35
  5. Step 5: Solve for x
    x = 17,578,396,641.35/193,638.60
  6. Step 6: Final answer
    x = 90,779.40

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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.