Home / 201,914.51-302,848.31-52,143.02

Finding the Fourth Proportional to 201,914.51, 302,848.31 and 52,143.02

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Solution

The fourth proportional to 201,914.51, 302,848.31 and 52,143.02 is: 78,208.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,914.51 : 302,848.31 = 52,143.02 : x
  2. Step 2: Convert to fraction form
    201,914.51/302,848.31 = 52,143.02/x
  3. Step 3: Cross multiply
    201,914.51x = 302,848.31 × 52,143.02
  4. Step 4: Simplify right side
    201,914.51x = 15,791,425,485.30
  5. Step 5: Solve for x
    x = 15,791,425,485.30/201,914.51
  6. Step 6: Final answer
    x = 78,208.47

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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.