Home / 328,923.18-453,915.90-178,020.18

Finding the Fourth Proportional to 328,923.18, 453,915.90 and 178,020.18

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Solution

The fourth proportional to 328,923.18, 453,915.90 and 178,020.18 is: 245,668.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,923.18 : 453,915.90 = 178,020.18 : x
  2. Step 2: Convert to fraction form
    328,923.18/453,915.90 = 178,020.18/x
  3. Step 3: Cross multiply
    328,923.18x = 453,915.90 × 178,020.18
  4. Step 4: Simplify right side
    328,923.18x = 80,806,190,222.86
  5. Step 5: Solve for x
    x = 80,806,190,222.86/328,923.18
  6. Step 6: Final answer
    x = 245,668.88

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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.