Home / 328,947.84-453,947.52-178,045.44

Finding the Fourth Proportional to 328,947.84, 453,947.52 and 178,045.44

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Solution

The fourth proportional to 328,947.84, 453,947.52 and 178,045.44 is: 245,702.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,947.84 : 453,947.52 = 178,045.44 : x
  2. Step 2: Convert to fraction form
    328,947.84/453,947.52 = 178,045.44/x
  3. Step 3: Cross multiply
    328,947.84x = 453,947.52 × 178,045.44
  4. Step 4: Simplify right side
    328,947.84x = 80,823,285,935.31
  5. Step 5: Solve for x
    x = 80,823,285,935.31/328,947.84
  6. Step 6: Final answer
    x = 245,702.44

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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.