Home / 134,676.48-185,852.05-77,317.18

Finding the Fourth Proportional to 134,676.48, 185,852.05 and 77,317.18

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Solution

The fourth proportional to 134,676.48, 185,852.05 and 77,317.18 is: 106,696.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,676.48 : 185,852.05 = 77,317.18 : x
  2. Step 2: Convert to fraction form
    134,676.48/185,852.05 = 77,317.18/x
  3. Step 3: Cross multiply
    134,676.48x = 185,852.05 × 77,317.18
  4. Step 4: Simplify right side
    134,676.48x = 14,369,555,745.30
  5. Step 5: Solve for x
    x = 14,369,555,745.30/134,676.48
  6. Step 6: Final answer
    x = 106,696.84

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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.