Home / 325,615.10-488,568.45-148,030.70

Finding the Fourth Proportional to 325,615.10, 488,568.45 and 148,030.70

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Solution

The fourth proportional to 325,615.10, 488,568.45 and 148,030.70 is: 222,112.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,615.10 : 488,568.45 = 148,030.70 : x
  2. Step 2: Convert to fraction form
    325,615.10/488,568.45 = 148,030.70/x
  3. Step 3: Cross multiply
    325,615.10x = 488,568.45 × 148,030.70
  4. Step 4: Simplify right side
    325,615.10x = 72,323,129,651.42
  5. Step 5: Solve for x
    x = 72,323,129,651.42/325,615.10
  6. Step 6: Final answer
    x = 222,112.33

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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.