Home / 328,316.14-453,049.09-185,111.38

Finding the Fourth Proportional to 328,316.14, 453,049.09 and 185,111.38

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Solution

The fourth proportional to 328,316.14, 453,049.09 and 185,111.38 is: 255,438.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,316.14 : 453,049.09 = 185,111.38 : x
  2. Step 2: Convert to fraction form
    328,316.14/453,049.09 = 185,111.38/x
  3. Step 3: Cross multiply
    328,316.14x = 453,049.09 × 185,111.38
  4. Step 4: Simplify right side
    328,316.14x = 83,864,542,257.64
  5. Step 5: Solve for x
    x = 83,864,542,257.64/328,316.14
  6. Step 6: Final answer
    x = 255,438.38

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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.