Home / 328,764.02-453,690.52-192,769.88

Finding the Fourth Proportional to 328,764.02, 453,690.52 and 192,769.88

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Solution

The fourth proportional to 328,764.02, 453,690.52 and 192,769.88 is: 266,020.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,764.02 : 453,690.52 = 192,769.88 : x
  2. Step 2: Convert to fraction form
    328,764.02/453,690.52 = 192,769.88/x
  3. Step 3: Cross multiply
    328,764.02x = 453,690.52 × 192,769.88
  4. Step 4: Simplify right side
    328,764.02x = 87,457,864,347.16
  5. Step 5: Solve for x
    x = 87,457,864,347.16/328,764.02
  6. Step 6: Final answer
    x = 266,020.19

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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.