Home / 327,942.78-452,561.98-190,148.40

Finding the Fourth Proportional to 327,942.78, 452,561.98 and 190,148.40

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Solution

The fourth proportional to 327,942.78, 452,561.98 and 190,148.40 is: 262,405.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,942.78 : 452,561.98 = 190,148.40 : x
  2. Step 2: Convert to fraction form
    327,942.78/452,561.98 = 190,148.40/x
  3. Step 3: Cross multiply
    327,942.78x = 452,561.98 × 190,148.40
  4. Step 4: Simplify right side
    327,942.78x = 86,053,936,397.83
  5. Step 5: Solve for x
    x = 86,053,936,397.83/327,942.78
  6. Step 6: Final answer
    x = 262,405.34

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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.