Home / 324,454.19-486,737.31-144,603.50

Finding the Fourth Proportional to 324,454.19, 486,737.31 and 144,603.50

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Solution

The fourth proportional to 324,454.19, 486,737.31 and 144,603.50 is: 216,930.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,454.19 : 486,737.31 = 144,603.50 : x
  2. Step 2: Convert to fraction form
    324,454.19/486,737.31 = 144,603.50/x
  3. Step 3: Cross multiply
    324,454.19x = 486,737.31 × 144,603.50
  4. Step 4: Simplify right side
    324,454.19x = 70,383,916,172.90
  5. Step 5: Solve for x
    x = 70,383,916,172.90/324,454.19
  6. Step 6: Final answer
    x = 216,930.22

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1.5x scale

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.