Home / 105,395.15-158,094.79-38,801.00

Finding the Fourth Proportional to 105,395.15, 158,094.79 and 38,801.00

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Solution

The fourth proportional to 105,395.15, 158,094.79 and 38,801.00 is: 58,202.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,395.15 : 158,094.79 = 38,801.00 : x
  2. Step 2: Convert to fraction form
    105,395.15/158,094.79 = 38,801.00/x
  3. Step 3: Cross multiply
    105,395.15x = 158,094.79 × 38,801.00
  4. Step 4: Simplify right side
    105,395.15x = 6,134,236,245.02
  5. Step 5: Solve for x
    x = 6,134,236,245.02/105,395.15
  6. Step 6: Final answer
    x = 58,202.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.