Home / 292,661.09-439,241.62-208,626.83

Finding the Fourth Proportional to 292,661.09, 439,241.62 and 208,626.83

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Solution

The fourth proportional to 292,661.09, 439,241.62 and 208,626.83 is: 313,118.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,661.09 : 439,241.62 = 208,626.83 : x
  2. Step 2: Convert to fraction form
    292,661.09/439,241.62 = 208,626.83/x
  3. Step 3: Cross multiply
    292,661.09x = 439,241.62 × 208,626.83
  4. Step 4: Simplify right side
    292,661.09x = 91,637,586,784.66
  5. Step 5: Solve for x
    x = 91,637,586,784.66/292,661.09
  6. Step 6: Final answer
    x = 313,118.45

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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.