Home / 190,554.59-262,965.29-105,671.66

Finding the Fourth Proportional to 190,554.59, 262,965.29 and 105,671.66

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Solution

The fourth proportional to 190,554.59, 262,965.29 and 105,671.66 is: 145,826.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,554.59 : 262,965.29 = 105,671.66 : x
  2. Step 2: Convert to fraction form
    190,554.59/262,965.29 = 105,671.66/x
  3. Step 3: Cross multiply
    190,554.59x = 262,965.29 × 105,671.66
  4. Step 4: Simplify right side
    190,554.59x = 27,787,976,873.50
  5. Step 5: Solve for x
    x = 27,787,976,873.50/190,554.59
  6. Step 6: Final answer
    x = 145,826.85

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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.