Home / 131,178.93-181,025.44-73,818.02

Finding the Fourth Proportional to 131,178.93, 181,025.44 and 73,818.02

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Solution

The fourth proportional to 131,178.93, 181,025.44 and 73,818.02 is: 101,868.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,178.93 : 181,025.44 = 73,818.02 : x
  2. Step 2: Convert to fraction form
    131,178.93/181,025.44 = 73,818.02/x
  3. Step 3: Cross multiply
    131,178.93x = 181,025.44 × 73,818.02
  4. Step 4: Simplify right side
    131,178.93x = 13,362,939,550.43
  5. Step 5: Solve for x
    x = 13,362,939,550.43/131,178.93
  6. Step 6: Final answer
    x = 101,868.03

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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.