Home / 189,944.96-262,122.72-105,058.88

Finding the Fourth Proportional to 189,944.96, 262,122.72 and 105,058.88

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Solution

The fourth proportional to 189,944.96, 262,122.72 and 105,058.88 is: 144,980.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,944.96 : 262,122.72 = 105,058.88 : x
  2. Step 2: Convert to fraction form
    189,944.96/262,122.72 = 105,058.88/x
  3. Step 3: Cross multiply
    189,944.96x = 262,122.72 × 105,058.88
  4. Step 4: Simplify right side
    189,944.96x = 27,538,319,385.75
  5. Step 5: Solve for x
    x = 27,538,319,385.75/189,944.96
  6. Step 6: Final answer
    x = 144,980.52

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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.