Home / 189,977.32-262,176.42-105,092.92

Finding the Fourth Proportional to 189,977.32, 262,176.42 and 105,092.92

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Solution

The fourth proportional to 189,977.32, 262,176.42 and 105,092.92 is: 145,032.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,977.32 : 262,176.42 = 105,092.92 : x
  2. Step 2: Convert to fraction form
    189,977.32/262,176.42 = 105,092.92/x
  3. Step 3: Cross multiply
    189,977.32x = 262,176.42 × 105,092.92
  4. Step 4: Simplify right side
    189,977.32x = 27,552,885,532.95
  5. Step 5: Solve for x
    x = 27,552,885,532.95/189,977.32
  6. Step 6: Final answer
    x = 145,032.50

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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.