Home / 328,932.59-453,928.35-178,029.59

Finding the Fourth Proportional to 328,932.59, 453,928.35 and 178,029.59

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Solution

The fourth proportional to 328,932.59, 453,928.35 and 178,029.59 is: 245,681.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,932.59 : 453,928.35 = 178,029.59 : x
  2. Step 2: Convert to fraction form
    328,932.59/453,928.35 = 178,029.59/x
  3. Step 3: Cross multiply
    328,932.59x = 453,928.35 × 178,029.59
  4. Step 4: Simplify right side
    328,932.59x = 80,812,678,039.88
  5. Step 5: Solve for x
    x = 80,812,678,039.88/328,932.59
  6. Step 6: Final answer
    x = 245,681.58

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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.