Home / 134,647.48-185,817.54-77,297.32

Finding the Fourth Proportional to 134,647.48, 185,817.54 and 77,297.32

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Solution

The fourth proportional to 134,647.48, 185,817.54 and 77,297.32 is: 106,672.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,647.48 : 185,817.54 = 77,297.32 : x
  2. Step 2: Convert to fraction form
    134,647.48/185,817.54 = 77,297.32/x
  3. Step 3: Cross multiply
    134,647.48x = 185,817.54 × 77,297.32
  4. Step 4: Simplify right side
    134,647.48x = 14,363,197,850.99
  5. Step 5: Solve for x
    x = 14,363,197,850.99/134,647.48
  6. Step 6: Final answer
    x = 106,672.61

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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.