Home / 257,320.36-354,658.75-171,125.29

Finding the Fourth Proportional to 257,320.36, 354,658.75 and 171,125.29

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Solution

The fourth proportional to 257,320.36, 354,658.75 and 171,125.29 is: 235,858.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,320.36 : 354,658.75 = 171,125.29 : x
  2. Step 2: Convert to fraction form
    257,320.36/354,658.75 = 171,125.29/x
  3. Step 3: Cross multiply
    257,320.36x = 354,658.75 × 171,125.29
  4. Step 4: Simplify right side
    257,320.36x = 60,691,081,444.79
  5. Step 5: Solve for x
    x = 60,691,081,444.79/257,320.36
  6. Step 6: Final answer
    x = 235,858.06

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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.