Home / 163,926.80-245,890.20-162,371.60

Finding the Fourth Proportional to 163,926.80, 245,890.20 and 162,371.60

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Solution

The fourth proportional to 163,926.80, 245,890.20 and 162,371.60 is: 243,557.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,926.80 : 245,890.20 = 162,371.60 : x
  2. Step 2: Convert to fraction form
    163,926.80/245,890.20 = 162,371.60/x
  3. Step 3: Cross multiply
    163,926.80x = 245,890.20 × 162,371.60
  4. Step 4: Simplify right side
    163,926.80x = 39,925,585,198.32
  5. Step 5: Solve for x
    x = 39,925,585,198.32/163,926.80
  6. Step 6: Final answer
    x = 243,557.40

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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.