Home / 309,653.04-427,336.38-182,369.64

Finding the Fourth Proportional to 309,653.04, 427,336.38 and 182,369.64

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Solution

The fourth proportional to 309,653.04, 427,336.38 and 182,369.64 is: 251,679.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,653.04 : 427,336.38 = 182,369.64 : x
  2. Step 2: Convert to fraction form
    309,653.04/427,336.38 = 182,369.64/x
  3. Step 3: Cross multiply
    309,653.04x = 427,336.38 × 182,369.64
  4. Step 4: Simplify right side
    309,653.04x = 77,933,181,779.50
  5. Step 5: Solve for x
    x = 77,933,181,779.50/309,653.04
  6. Step 6: Final answer
    x = 251,679.05

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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.