Home / 163,233.23-225,295.43-102,763.28

Finding the Fourth Proportional to 163,233.23, 225,295.43 and 102,763.28

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Solution

The fourth proportional to 163,233.23, 225,295.43 and 102,763.28 is: 141,834.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,233.23 : 225,295.43 = 102,763.28 : x
  2. Step 2: Convert to fraction form
    163,233.23/225,295.43 = 102,763.28/x
  3. Step 3: Cross multiply
    163,233.23x = 225,295.43 × 102,763.28
  4. Step 4: Simplify right side
    163,233.23x = 23,152,097,405.23
  5. Step 5: Solve for x
    x = 23,152,097,405.23/163,233.23
  6. Step 6: Final answer
    x = 141,834.47

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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.