Home / 328,320.55-492,443.90-88,452.18

Finding the Fourth Proportional to 328,320.55, 492,443.90 and 88,452.18

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Solution

The fourth proportional to 328,320.55, 492,443.90 and 88,452.18 is: 132,668.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,320.55 : 492,443.90 = 88,452.18 : x
  2. Step 2: Convert to fraction form
    328,320.55/492,443.90 = 88,452.18/x
  3. Step 3: Cross multiply
    328,320.55x = 492,443.90 × 88,452.18
  4. Step 4: Simplify right side
    328,320.55x = 43,557,736,040.44
  5. Step 5: Solve for x
    x = 43,557,736,040.44/328,320.55
  6. Step 6: Final answer
    x = 132,668.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.