Home / 401,243.15-601,487.96-134,817.35

Finding the Fourth Proportional to 401,243.15, 601,487.96 and 134,817.35

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Solution

The fourth proportional to 401,243.15, 601,487.96 and 134,817.35 is: 202,099.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,243.15 : 601,487.96 = 134,817.35 : x
  2. Step 2: Convert to fraction form
    401,243.15/601,487.96 = 134,817.35/x
  3. Step 3: Cross multiply
    401,243.15x = 601,487.96 × 134,817.35
  4. Step 4: Simplify right side
    401,243.15x = 81,091,009,142.58
  5. Step 5: Solve for x
    x = 81,091,009,142.58/401,243.15
  6. Step 6: Final answer
    x = 202,099.43

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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.