Home / 136,546.56-188,424.63-76,114.49

Finding the Fourth Proportional to 136,546.56, 188,424.63 and 76,114.49

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Solution

The fourth proportional to 136,546.56, 188,424.63 and 76,114.49 is: 105,032.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,546.56 : 188,424.63 = 76,114.49 : x
  2. Step 2: Convert to fraction form
    136,546.56/188,424.63 = 76,114.49/x
  3. Step 3: Cross multiply
    136,546.56x = 188,424.63 × 76,114.49
  4. Step 4: Simplify right side
    136,546.56x = 14,341,843,673.77
  5. Step 5: Solve for x
    x = 14,341,843,673.77/136,546.56
  6. Step 6: Final answer
    x = 105,032.63

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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.