Home / 325,564.10-488,346.15-112,331.60

Finding the Fourth Proportional to 325,564.10, 488,346.15 and 112,331.60

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Solution

The fourth proportional to 325,564.10, 488,346.15 and 112,331.60 is: 168,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,564.10 : 488,346.15 = 112,331.60 : x
  2. Step 2: Convert to fraction form
    325,564.10/488,346.15 = 112,331.60/x
  3. Step 3: Cross multiply
    325,564.10x = 488,346.15 × 112,331.60
  4. Step 4: Simplify right side
    325,564.10x = 54,856,704,383.34
  5. Step 5: Solve for x
    x = 54,856,704,383.34/325,564.10
  6. Step 6: Final answer
    x = 168,497.40

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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.