Home / 294,917.52-406,985.94-160,781.52

Finding the Fourth Proportional to 294,917.52, 406,985.94 and 160,781.52

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Solution

The fourth proportional to 294,917.52, 406,985.94 and 160,781.52 is: 221,878.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,917.52 : 406,985.94 = 160,781.52 : x
  2. Step 2: Convert to fraction form
    294,917.52/406,985.94 = 160,781.52/x
  3. Step 3: Cross multiply
    294,917.52x = 406,985.94 × 160,781.52
  4. Step 4: Simplify right side
    294,917.52x = 65,435,818,051.83
  5. Step 5: Solve for x
    x = 65,435,818,051.83/294,917.52
  6. Step 6: Final answer
    x = 221,878.37

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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.