Home / 163,578.20-245,367.30-124,212.20

Finding the Fourth Proportional to 163,578.20, 245,367.30 and 124,212.20

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Solution

The fourth proportional to 163,578.20, 245,367.30 and 124,212.20 is: 186,318.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,578.20 : 245,367.30 = 124,212.20 : x
  2. Step 2: Convert to fraction form
    163,578.20/245,367.30 = 124,212.20/x
  3. Step 3: Cross multiply
    163,578.20x = 245,367.30 × 124,212.20
  4. Step 4: Simplify right side
    163,578.20x = 30,477,612,141.06
  5. Step 5: Solve for x
    x = 30,477,612,141.06/163,578.20
  6. Step 6: Final answer
    x = 186,318.30

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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.