Home / 299,239.07-412,576.40-191,632.19

Finding the Fourth Proportional to 299,239.07, 412,576.40 and 191,632.19

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Solution

The fourth proportional to 299,239.07, 412,576.40 and 191,632.19 is: 264,213.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,239.07 : 412,576.40 = 191,632.19 : x
  2. Step 2: Convert to fraction form
    299,239.07/412,576.40 = 191,632.19/x
  3. Step 3: Cross multiply
    299,239.07x = 412,576.40 × 191,632.19
  4. Step 4: Simplify right side
    299,239.07x = 79,062,917,490.51
  5. Step 5: Solve for x
    x = 79,062,917,490.51/299,239.07
  6. Step 6: Final answer
    x = 264,213.22

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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.