Home / 328,865.56-453,526.47-218,288.66

Finding the Fourth Proportional to 328,865.56, 453,526.47 and 218,288.66

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Solution

The fourth proportional to 328,865.56, 453,526.47 and 218,288.66 is: 301,033.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,865.56 : 453,526.47 = 218,288.66 : x
  2. Step 2: Convert to fraction form
    328,865.56/453,526.47 = 218,288.66/x
  3. Step 3: Cross multiply
    328,865.56x = 453,526.47 × 218,288.66
  4. Step 4: Simplify right side
    328,865.56x = 98,999,683,143.20
  5. Step 5: Solve for x
    x = 98,999,683,143.20/328,865.56
  6. Step 6: Final answer
    x = 301,033.91

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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.