Home / 328,921.18-453,911.22-178,018.18

Finding the Fourth Proportional to 328,921.18, 453,911.22 and 178,018.18

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Solution

The fourth proportional to 328,921.18, 453,911.22 and 178,018.18 is: 245,665.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,921.18 : 453,911.22 = 178,018.18 : x
  2. Step 2: Convert to fraction form
    328,921.18/453,911.22 = 178,018.18/x
  3. Step 3: Cross multiply
    328,921.18x = 453,911.22 × 178,018.18
  4. Step 4: Simplify right side
    328,921.18x = 80,804,449,265.98
  5. Step 5: Solve for x
    x = 80,804,449,265.98/328,921.18
  6. Step 6: Final answer
    x = 245,665.08

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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.