Home / 102,118.20-153,157.07-97,054.80

Finding the Fourth Proportional to 102,118.20, 153,157.07 and 97,054.80

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Solution

The fourth proportional to 102,118.20, 153,157.07 and 97,054.80 is: 145,562.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,118.20 : 153,157.07 = 97,054.80 : x
  2. Step 2: Convert to fraction form
    102,118.20/153,157.07 = 97,054.80/x
  3. Step 3: Cross multiply
    102,118.20x = 153,157.07 × 97,054.80
  4. Step 4: Simplify right side
    102,118.20x = 14,864,628,797.44
  5. Step 5: Solve for x
    x = 14,864,628,797.44/102,118.20
  6. Step 6: Final answer
    x = 145,562.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.