Home / 325,011.06-487,577.62-147,530.56

Finding the Fourth Proportional to 325,011.06, 487,577.62 and 147,530.56

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Solution

The fourth proportional to 325,011.06, 487,577.62 and 147,530.56 is: 221,323.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,011.06 : 487,577.62 = 147,530.56 : x
  2. Step 2: Convert to fraction form
    325,011.06/487,577.62 = 147,530.56/x
  3. Step 3: Cross multiply
    325,011.06x = 487,577.62 × 147,530.56
  4. Step 4: Simplify right side
    325,011.06x = 71,932,599,322.07
  5. Step 5: Solve for x
    x = 71,932,599,322.07/325,011.06
  6. Step 6: Final answer
    x = 221,323.54

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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.