Home / 191,152.46-263,797.16-105,118.00

Finding the Fourth Proportional to 191,152.46, 263,797.16 and 105,118.00

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Solution

The fourth proportional to 191,152.46, 263,797.16 and 105,118.00 is: 145,066.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,152.46 : 263,797.16 = 105,118.00 : x
  2. Step 2: Convert to fraction form
    191,152.46/263,797.16 = 105,118.00/x
  3. Step 3: Cross multiply
    191,152.46x = 263,797.16 × 105,118.00
  4. Step 4: Simplify right side
    191,152.46x = 27,729,830,163.66
  5. Step 5: Solve for x
    x = 27,729,830,163.66/191,152.46
  6. Step 6: Final answer
    x = 145,066.56

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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.