Home / 325,308.08-487,981.26-125,629.52

Finding the Fourth Proportional to 325,308.08, 487,981.26 and 125,629.52

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Solution

The fourth proportional to 325,308.08, 487,981.26 and 125,629.52 is: 188,451.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,308.08 : 487,981.26 = 125,629.52 : x
  2. Step 2: Convert to fraction form
    325,308.08/487,981.26 = 125,629.52/x
  3. Step 3: Cross multiply
    325,308.08x = 487,981.26 × 125,629.52
  4. Step 4: Simplify right side
    325,308.08x = 61,304,851,462.80
  5. Step 5: Solve for x
    x = 61,304,851,462.80/325,308.08
  6. Step 6: Final answer
    x = 188,451.67

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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.