Home / 106,746.39-159,787.44-67,220.46

Finding the Fourth Proportional to 106,746.39, 159,787.44 and 67,220.46

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Solution

The fourth proportional to 106,746.39, 159,787.44 and 67,220.46 is: 100,621.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,746.39 : 159,787.44 = 67,220.46 : x
  2. Step 2: Convert to fraction form
    106,746.39/159,787.44 = 67,220.46/x
  3. Step 3: Cross multiply
    106,746.39x = 159,787.44 × 67,220.46
  4. Step 4: Simplify right side
    106,746.39x = 10,740,985,219.02
  5. Step 5: Solve for x
    x = 10,740,985,219.02/106,746.39
  6. Step 6: Final answer
    x = 100,621.53

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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.