Home / 285,454.72-393,468.40-193,544.24

Finding the Fourth Proportional to 285,454.72, 393,468.40 and 193,544.24

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Solution

The fourth proportional to 285,454.72, 393,468.40 and 193,544.24 is: 266,779.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,454.72 : 393,468.40 = 193,544.24 : x
  2. Step 2: Convert to fraction form
    285,454.72/393,468.40 = 193,544.24/x
  3. Step 3: Cross multiply
    285,454.72x = 393,468.40 × 193,544.24
  4. Step 4: Simplify right side
    285,454.72x = 76,153,542,442.02
  5. Step 5: Solve for x
    x = 76,153,542,442.02/285,454.72
  6. Step 6: Final answer
    x = 266,779.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.