Home / 328,946.67-453,947.09-178,043.67

Finding the Fourth Proportional to 328,946.67, 453,947.09 and 178,043.67

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Solution

The fourth proportional to 328,946.67, 453,947.09 and 178,043.67 is: 245,700.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,946.67 : 453,947.09 = 178,043.67 : x
  2. Step 2: Convert to fraction form
    328,946.67/453,947.09 = 178,043.67/x
  3. Step 3: Cross multiply
    328,946.67x = 453,947.09 × 178,043.67
  4. Step 4: Simplify right side
    328,946.67x = 80,822,404,999.20
  5. Step 5: Solve for x
    x = 80,822,404,999.20/328,946.67
  6. Step 6: Final answer
    x = 245,700.63

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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.