Home / 190,830.06-263,335.20-105,941.66

Finding the Fourth Proportional to 190,830.06, 263,335.20 and 105,941.66

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Solution

The fourth proportional to 190,830.06, 263,335.20 and 105,941.66 is: 146,193.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,830.06 : 263,335.20 = 105,941.66 : x
  2. Step 2: Convert to fraction form
    190,830.06/263,335.20 = 105,941.66/x
  3. Step 3: Cross multiply
    190,830.06x = 263,335.20 × 105,941.66
  4. Step 4: Simplify right side
    190,830.06x = 27,898,167,830.95
  5. Step 5: Solve for x
    x = 27,898,167,830.95/190,830.06
  6. Step 6: Final answer
    x = 146,193.78

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1.5x scale

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.