Home / 283,917.96-391,683.06-186,996.60

Finding the Fourth Proportional to 283,917.96, 391,683.06 and 186,996.60

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Solution

The fourth proportional to 283,917.96, 391,683.06 and 186,996.60 is: 257,973.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,917.96 : 391,683.06 = 186,996.60 : x
  2. Step 2: Convert to fraction form
    283,917.96/391,683.06 = 186,996.60/x
  3. Step 3: Cross multiply
    283,917.96x = 391,683.06 × 186,996.60
  4. Step 4: Simplify right side
    283,917.96x = 73,243,400,497.60
  5. Step 5: Solve for x
    x = 73,243,400,497.60/283,917.96
  6. Step 6: Final answer
    x = 257,973.82

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1.5x scale

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.