Home / 409,849.37-614,815.07-125,536.64

Finding the Fourth Proportional to 409,849.37, 614,815.07 and 125,536.64

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Solution

The fourth proportional to 409,849.37, 614,815.07 and 125,536.64 is: 188,317.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,849.37 : 614,815.07 = 125,536.64 : x
  2. Step 2: Convert to fraction form
    409,849.37/614,815.07 = 125,536.64/x
  3. Step 3: Cross multiply
    409,849.37x = 614,815.07 × 125,536.64
  4. Step 4: Simplify right side
    409,849.37x = 77,181,818,109.16
  5. Step 5: Solve for x
    x = 77,181,818,109.16/409,849.37
  6. Step 6: Final answer
    x = 188,317.52

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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.