Home / 456,681.24-685,087.47-141,162.75

Finding the Fourth Proportional to 456,681.24, 685,087.47 and 141,162.75

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Solution

The fourth proportional to 456,681.24, 685,087.47 and 141,162.75 is: 211,764.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,681.24 : 685,087.47 = 141,162.75 : x
  2. Step 2: Convert to fraction form
    456,681.24/685,087.47 = 141,162.75/x
  3. Step 3: Cross multiply
    456,681.24x = 685,087.47 × 141,162.75
  4. Step 4: Simplify right side
    456,681.24x = 96,708,831,255.74
  5. Step 5: Solve for x
    x = 96,708,831,255.74/456,681.24
  6. Step 6: Final answer
    x = 211,764.41

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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.