Home / 328,320.74-492,444.18-88,452.36

Finding the Fourth Proportional to 328,320.74, 492,444.18 and 88,452.36

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Solution

The fourth proportional to 328,320.74, 492,444.18 and 88,452.36 is: 132,668.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,320.74 : 492,444.18 = 88,452.36 : x
  2. Step 2: Convert to fraction form
    328,320.74/492,444.18 = 88,452.36/x
  3. Step 3: Cross multiply
    328,320.74x = 492,444.18 × 88,452.36
  4. Step 4: Simplify right side
    328,320.74x = 43,557,851,735.93
  5. Step 5: Solve for x
    x = 43,557,851,735.93/328,320.74
  6. Step 6: Final answer
    x = 132,668.60

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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.