Home / 136,090.32-187,788.23-75,653.22

Finding the Fourth Proportional to 136,090.32, 187,788.23 and 75,653.22

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Solution

The fourth proportional to 136,090.32, 187,788.23 and 75,653.22 is: 104,392.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,090.32 : 187,788.23 = 75,653.22 : x
  2. Step 2: Convert to fraction form
    136,090.32/187,788.23 = 75,653.22/x
  3. Step 3: Cross multiply
    136,090.32x = 187,788.23 × 75,653.22
  4. Step 4: Simplify right side
    136,090.32x = 14,206,783,899.33
  5. Step 5: Solve for x
    x = 14,206,783,899.33/136,090.32
  6. Step 6: Final answer
    x = 104,392.32

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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.