Home / 193,520.08-290,290.92-60,418.72

Finding the Fourth Proportional to 193,520.08, 290,290.92 and 60,418.72

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Solution

The fourth proportional to 193,520.08, 290,290.92 and 60,418.72 is: 90,631.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,520.08 : 290,290.92 = 60,418.72 : x
  2. Step 2: Convert to fraction form
    193,520.08/290,290.92 = 60,418.72/x
  3. Step 3: Cross multiply
    193,520.08x = 290,290.92 × 60,418.72
  4. Step 4: Simplify right side
    193,520.08x = 17,539,005,814.02
  5. Step 5: Solve for x
    x = 17,539,005,814.02/193,520.08
  6. Step 6: Final answer
    x = 90,631.45

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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.