Home / 325,271.10-487,906.65-125,600.70

Finding the Fourth Proportional to 325,271.10, 487,906.65 and 125,600.70

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Solution

The fourth proportional to 325,271.10, 487,906.65 and 125,600.70 is: 188,401.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,271.10 : 487,906.65 = 125,600.70 : x
  2. Step 2: Convert to fraction form
    325,271.10/487,906.65 = 125,600.70/x
  3. Step 3: Cross multiply
    325,271.10x = 487,906.65 × 125,600.70
  4. Step 4: Simplify right side
    325,271.10x = 61,281,416,774.66
  5. Step 5: Solve for x
    x = 61,281,416,774.66/325,271.10
  6. Step 6: Final answer
    x = 188,401.05

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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.