Home / 190,647.70-263,094.12-105,764.76

Finding the Fourth Proportional to 190,647.70, 263,094.12 and 105,764.76

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Solution

The fourth proportional to 190,647.70, 263,094.12 and 105,764.76 is: 145,955.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,647.70 : 263,094.12 = 105,764.76 : x
  2. Step 2: Convert to fraction form
    190,647.70/263,094.12 = 105,764.76/x
  3. Step 3: Cross multiply
    190,647.70x = 263,094.12 × 105,764.76
  4. Step 4: Simplify right side
    190,647.70x = 27,826,086,459.21
  5. Step 5: Solve for x
    x = 27,826,086,459.21/190,647.70
  6. Step 6: Final answer
    x = 145,955.53

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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.