Home / 131,192.19-181,054.38-73,837.01

Finding the Fourth Proportional to 131,192.19, 181,054.38 and 73,837.01

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Solution

The fourth proportional to 131,192.19, 181,054.38 and 73,837.01 is: 101,900.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,192.19 : 181,054.38 = 73,837.01 : x
  2. Step 2: Convert to fraction form
    131,192.19/181,054.38 = 73,837.01/x
  3. Step 3: Cross multiply
    131,192.19x = 181,054.38 × 73,837.01
  4. Step 4: Simplify right side
    131,192.19x = 13,368,513,757.61
  5. Step 5: Solve for x
    x = 13,368,513,757.61/131,192.19
  6. Step 6: Final answer
    x = 101,900.22

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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.