Home / 131,918.12-181,809.06-96,051.32

Finding the Fourth Proportional to 131,918.12, 181,809.06 and 96,051.32

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Solution

The fourth proportional to 131,918.12, 181,809.06 and 96,051.32 is: 132,377.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,918.12 : 181,809.06 = 96,051.32 : x
  2. Step 2: Convert to fraction form
    131,918.12/181,809.06 = 96,051.32/x
  3. Step 3: Cross multiply
    131,918.12x = 181,809.06 × 96,051.32
  4. Step 4: Simplify right side
    131,918.12x = 17,463,000,200.96
  5. Step 5: Solve for x
    x = 17,463,000,200.96/131,918.12
  6. Step 6: Final answer
    x = 132,377.57

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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.