Home / 181,968.26-251,121.47-105,487.65

Finding the Fourth Proportional to 181,968.26, 251,121.47 and 105,487.65

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Solution

The fourth proportional to 181,968.26, 251,121.47 and 105,487.65 is: 145,576.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,968.26 : 251,121.47 = 105,487.65 : x
  2. Step 2: Convert to fraction form
    181,968.26/251,121.47 = 105,487.65/x
  3. Step 3: Cross multiply
    181,968.26x = 251,121.47 × 105,487.65
  4. Step 4: Simplify right side
    181,968.26x = 26,490,213,207.41
  5. Step 5: Solve for x
    x = 26,490,213,207.41/181,968.26
  6. Step 6: Final answer
    x = 145,576.01

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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.