Home / 144,179.90-216,269.76-104,986.34

Finding the Fourth Proportional to 144,179.90, 216,269.76 and 104,986.34

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Solution

The fourth proportional to 144,179.90, 216,269.76 and 104,986.34 is: 157,479.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,179.90 : 216,269.76 = 104,986.34 : x
  2. Step 2: Convert to fraction form
    144,179.90/216,269.76 = 104,986.34/x
  3. Step 3: Cross multiply
    144,179.90x = 216,269.76 × 104,986.34
  4. Step 4: Simplify right side
    144,179.90x = 22,705,370,555.08
  5. Step 5: Solve for x
    x = 22,705,370,555.08/144,179.90
  6. Step 6: Final answer
    x = 157,479.44

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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.