Home / 325,304.16-487,581.78-125,536.20

Finding the Fourth Proportional to 325,304.16, 487,581.78 and 125,536.20

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Solution

The fourth proportional to 325,304.16, 487,581.78 and 125,536.20 is: 188,159.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,304.16 : 487,581.78 = 125,536.20 : x
  2. Step 2: Convert to fraction form
    325,304.16/487,581.78 = 125,536.20/x
  3. Step 3: Cross multiply
    325,304.16x = 487,581.78 × 125,536.20
  4. Step 4: Simplify right side
    325,304.16x = 61,209,163,850.44
  5. Step 5: Solve for x
    x = 61,209,163,850.44/325,304.16
  6. Step 6: Final answer
    x = 188,159.79

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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.