Home / 189,935.03-262,107.17-105,052.09

Finding the Fourth Proportional to 189,935.03, 262,107.17 and 105,052.09

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Solution

The fourth proportional to 189,935.03, 262,107.17 and 105,052.09 is: 144,970.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,935.03 : 262,107.17 = 105,052.09 : x
  2. Step 2: Convert to fraction form
    189,935.03/262,107.17 = 105,052.09/x
  3. Step 3: Cross multiply
    189,935.03x = 262,107.17 × 105,052.09
  4. Step 4: Simplify right side
    189,935.03x = 27,534,905,421.89
  5. Step 5: Solve for x
    x = 27,534,905,421.89/189,935.03
  6. Step 6: Final answer
    x = 144,970.13

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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.