Home / 163,326.36-225,389.28-102,936

Finding the Fourth Proportional to 163,326.36, 225,389.28 and 102,936

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Solution

The fourth proportional to 163,326.36, 225,389.28 and 102,936 is: 142,050.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,326.36 : 225,389.28 = 102,936 : x
  2. Step 2: Convert to fraction form
    163,326.36/225,389.28 = 102,936/x
  3. Step 3: Cross multiply
    163,326.36x = 225,389.28 × 102,936
  4. Step 4: Simplify right side
    163,326.36x = 23,200,670,926.08
  5. Step 5: Solve for x
    x = 23,200,670,926.08/163,326.36
  6. Step 6: Final answer
    x = 142,050.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.