Home / 174,139.79-261,165.24-54,173.30

Finding the Fourth Proportional to 174,139.79, 261,165.24 and 54,173.30

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Solution

The fourth proportional to 174,139.79, 261,165.24 and 54,173.30 is: 81,246.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,139.79 : 261,165.24 = 54,173.30 : x
  2. Step 2: Convert to fraction form
    174,139.79/261,165.24 = 54,173.30/x
  3. Step 3: Cross multiply
    174,139.79x = 261,165.24 × 54,173.30
  4. Step 4: Simplify right side
    174,139.79x = 14,148,181,590.27
  5. Step 5: Solve for x
    x = 14,148,181,590.27/174,139.79
  6. Step 6: Final answer
    x = 81,246.12

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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.