Home / 325,742.60-488,679.08-112,518.29

Finding the Fourth Proportional to 325,742.60, 488,679.08 and 112,518.29

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Solution

The fourth proportional to 325,742.60, 488,679.08 and 112,518.29 is: 168,799.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,742.60 : 488,679.08 = 112,518.29 : x
  2. Step 2: Convert to fraction form
    325,742.60/488,679.08 = 112,518.29/x
  3. Step 3: Cross multiply
    325,742.60x = 488,679.08 × 112,518.29
  4. Step 4: Simplify right side
    325,742.60x = 54,985,331,434.39
  5. Step 5: Solve for x
    x = 54,985,331,434.39/325,742.60
  6. Step 6: Final answer
    x = 168,799.94

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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.