Home / 189,175.50-261,062.19-104,298.03

Finding the Fourth Proportional to 189,175.50, 261,062.19 and 104,298.03

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Solution

The fourth proportional to 189,175.50, 261,062.19 and 104,298.03 is: 143,931.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,175.50 : 261,062.19 = 104,298.03 : x
  2. Step 2: Convert to fraction form
    189,175.50/261,062.19 = 104,298.03/x
  3. Step 3: Cross multiply
    189,175.50x = 261,062.19 × 104,298.03
  4. Step 4: Simplify right side
    189,175.50x = 27,228,272,124.49
  5. Step 5: Solve for x
    x = 27,228,272,124.49/189,175.50
  6. Step 6: Final answer
    x = 143,931.28

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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.