Home / 108,608.06-149,722.08-76,244.14

Finding the Fourth Proportional to 108,608.06, 149,722.08 and 76,244.14

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Solution

The fourth proportional to 108,608.06, 149,722.08 and 76,244.14 is: 105,106.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,608.06 : 149,722.08 = 76,244.14 : x
  2. Step 2: Convert to fraction form
    108,608.06/149,722.08 = 76,244.14/x
  3. Step 3: Cross multiply
    108,608.06x = 149,722.08 × 76,244.14
  4. Step 4: Simplify right side
    108,608.06x = 11,415,431,239.36
  5. Step 5: Solve for x
    x = 11,415,431,239.36/108,608.06
  6. Step 6: Final answer
    x = 105,106.66

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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.