Home / 374,917.48-517,386.46-205,151.60

Finding the Fourth Proportional to 374,917.48, 517,386.46 and 205,151.60

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Solution

The fourth proportional to 374,917.48, 517,386.46 and 205,151.60 is: 283,109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,917.48 : 517,386.46 = 205,151.60 : x
  2. Step 2: Convert to fraction form
    374,917.48/517,386.46 = 205,151.60/x
  3. Step 3: Cross multiply
    374,917.48x = 517,386.46 × 205,151.60
  4. Step 4: Simplify right side
    374,917.48x = 106,142,660,867.92
  5. Step 5: Solve for x
    x = 106,142,660,867.92/374,917.48
  6. Step 6: Final answer
    x = 283,109.40

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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.