Home / 105,415.02-158,174.48-49,259.00

Finding the Fourth Proportional to 105,415.02, 158,174.48 and 49,259.00

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Solution

The fourth proportional to 105,415.02, 158,174.48 and 49,259.00 is: 73,912.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,415.02 : 158,174.48 = 49,259.00 : x
  2. Step 2: Convert to fraction form
    105,415.02/158,174.48 = 49,259.00/x
  3. Step 3: Cross multiply
    105,415.02x = 158,174.48 × 49,259.00
  4. Step 4: Simplify right side
    105,415.02x = 7,791,517,228.90
  5. Step 5: Solve for x
    x = 7,791,517,228.90/105,415.02
  6. Step 6: Final answer
    x = 73,912.78

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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.