Home / 134,796.02-185,936.06-86,381.64

Finding the Fourth Proportional to 134,796.02, 185,936.06 and 86,381.64

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Solution

The fourth proportional to 134,796.02, 185,936.06 and 86,381.64 is: 119,153.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,796.02 : 185,936.06 = 86,381.64 : x
  2. Step 2: Convert to fraction form
    134,796.02/185,936.06 = 86,381.64/x
  3. Step 3: Cross multiply
    134,796.02x = 185,936.06 × 86,381.64
  4. Step 4: Simplify right side
    134,796.02x = 16,061,461,797.94
  5. Step 5: Solve for x
    x = 16,061,461,797.94/134,796.02
  6. Step 6: Final answer
    x = 119,153.83

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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.