Home / 328,837.19-453,871.15-192,914.80

Finding the Fourth Proportional to 328,837.19, 453,871.15 and 192,914.80

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Solution

The fourth proportional to 328,837.19, 453,871.15 and 192,914.80 is: 266,266.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,837.19 : 453,871.15 = 192,914.80 : x
  2. Step 2: Convert to fraction form
    328,837.19/453,871.15 = 192,914.80/x
  3. Step 3: Cross multiply
    328,837.19x = 453,871.15 × 192,914.80
  4. Step 4: Simplify right side
    328,837.19x = 87,558,460,511.06
  5. Step 5: Solve for x
    x = 87,558,460,511.06/328,837.19
  6. Step 6: Final answer
    x = 266,266.91

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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.