Home / 325,627.20-488,683.80-167,774.40

Finding the Fourth Proportional to 325,627.20, 488,683.80 and 167,774.40

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Solution

The fourth proportional to 325,627.20, 488,683.80 and 167,774.40 is: 251,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,627.20 : 488,683.80 = 167,774.40 : x
  2. Step 2: Convert to fraction form
    325,627.20/488,683.80 = 167,774.40/x
  3. Step 3: Cross multiply
    325,627.20x = 488,683.80 × 167,774.40
  4. Step 4: Simplify right side
    325,627.20x = 81,988,631,334.72
  5. Step 5: Solve for x
    x = 81,988,631,334.72/325,627.20
  6. Step 6: Final answer
    x = 251,786.80

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1.5x scale

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.