Home / 328,934.40-453,929.43-178,031.40

Finding the Fourth Proportional to 328,934.40, 453,929.43 and 178,031.40

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Solution

The fourth proportional to 328,934.40, 453,929.43 and 178,031.40 is: 245,683.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,934.40 : 453,929.43 = 178,031.40 : x
  2. Step 2: Convert to fraction form
    328,934.40/453,929.43 = 178,031.40/x
  3. Step 3: Cross multiply
    328,934.40x = 453,929.43 × 178,031.40
  4. Step 4: Simplify right side
    328,934.40x = 80,813,691,924.10
  5. Step 5: Solve for x
    x = 80,813,691,924.10/328,934.40
  6. Step 6: Final answer
    x = 245,683.31

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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.