Home / 131,192.70-181,055.08-73,837.51

Finding the Fourth Proportional to 131,192.70, 181,055.08 and 73,837.51

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Solution

The fourth proportional to 131,192.70, 181,055.08 and 73,837.51 is: 101,900.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,192.70 : 181,055.08 = 73,837.51 : x
  2. Step 2: Convert to fraction form
    131,192.70/181,055.08 = 73,837.51/x
  3. Step 3: Cross multiply
    131,192.70x = 181,055.08 × 73,837.51
  4. Step 4: Simplify right side
    131,192.70x = 13,368,655,005.59
  5. Step 5: Solve for x
    x = 13,368,655,005.59/131,192.70
  6. Step 6: Final answer
    x = 101,900.91

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1.5x scale

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.