Home / 189,931.24-262,092.90-105,046.12

Finding the Fourth Proportional to 189,931.24, 262,092.90 and 105,046.12

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Solution

The fourth proportional to 189,931.24, 262,092.90 and 105,046.12 is: 144,956.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,931.24 : 262,092.90 = 105,046.12 : x
  2. Step 2: Convert to fraction form
    189,931.24/262,092.90 = 105,046.12/x
  3. Step 3: Cross multiply
    189,931.24x = 262,092.90 × 105,046.12
  4. Step 4: Simplify right side
    189,931.24x = 27,531,842,224.55
  5. Step 5: Solve for x
    x = 27,531,842,224.55/189,931.24
  6. Step 6: Final answer
    x = 144,956.89

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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.