Home / 190,766.72-263,210.64-105,862.52

Finding the Fourth Proportional to 190,766.72, 263,210.64 and 105,862.52

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Solution

The fourth proportional to 190,766.72, 263,210.64 and 105,862.52 is: 146,063.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,766.72 : 263,210.64 = 105,862.52 : x
  2. Step 2: Convert to fraction form
    190,766.72/263,210.64 = 105,862.52/x
  3. Step 3: Cross multiply
    190,766.72x = 263,210.64 × 105,862.52
  4. Step 4: Simplify right side
    190,766.72x = 27,864,141,641.21
  5. Step 5: Solve for x
    x = 27,864,141,641.21/190,766.72
  6. Step 6: Final answer
    x = 146,063.96

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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.