Home / 131,097.01-181,091.96-102,774.25

Finding the Fourth Proportional to 131,097.01, 181,091.96 and 102,774.25

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Solution

The fourth proportional to 131,097.01, 181,091.96 and 102,774.25 is: 141,968.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,097.01 : 181,091.96 = 102,774.25 : x
  2. Step 2: Convert to fraction form
    131,097.01/181,091.96 = 102,774.25/x
  3. Step 3: Cross multiply
    131,097.01x = 181,091.96 × 102,774.25
  4. Step 4: Simplify right side
    131,097.01x = 18,611,590,357.79
  5. Step 5: Solve for x
    x = 18,611,590,357.79/131,097.01
  6. Step 6: Final answer
    x = 141,968.08

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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.