Home / 171,533.22-257,387.58-81,677.52

Finding the Fourth Proportional to 171,533.22, 257,387.58 and 81,677.52

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Solution

The fourth proportional to 171,533.22, 257,387.58 and 81,677.52 is: 122,558.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,533.22 : 257,387.58 = 81,677.52 : x
  2. Step 2: Convert to fraction form
    171,533.22/257,387.58 = 81,677.52/x
  3. Step 3: Cross multiply
    171,533.22x = 257,387.58 × 81,677.52
  4. Step 4: Simplify right side
    171,533.22x = 21,022,779,213.20
  5. Step 5: Solve for x
    x = 21,022,779,213.20/171,533.22
  6. Step 6: Final answer
    x = 122,558.06

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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.