Home / 325,827.40-488,741.10-115,486.60

Finding the Fourth Proportional to 325,827.40, 488,741.10 and 115,486.60

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Solution

The fourth proportional to 325,827.40, 488,741.10 and 115,486.60 is: 173,229.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,827.40 : 488,741.10 = 115,486.60 : x
  2. Step 2: Convert to fraction form
    325,827.40/488,741.10 = 115,486.60/x
  3. Step 3: Cross multiply
    325,827.40x = 488,741.10 × 115,486.60
  4. Step 4: Simplify right side
    325,827.40x = 56,443,047,919.26
  5. Step 5: Solve for x
    x = 56,443,047,919.26/325,827.40
  6. Step 6: Final answer
    x = 173,229.90

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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.