Home / 189,818.16-261,941.88-104,936.64

Finding the Fourth Proportional to 189,818.16, 261,941.88 and 104,936.64

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Solution

The fourth proportional to 189,818.16, 261,941.88 and 104,936.64 is: 144,808.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,818.16 : 261,941.88 = 104,936.64 : x
  2. Step 2: Convert to fraction form
    189,818.16/261,941.88 = 104,936.64/x
  3. Step 3: Cross multiply
    189,818.16x = 261,941.88 × 104,936.64
  4. Step 4: Simplify right side
    189,818.16x = 27,487,300,762.48
  5. Step 5: Solve for x
    x = 27,487,300,762.48/189,818.16
  6. Step 6: Final answer
    x = 144,808.59

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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.