Home / 106,461.12-159,745.86-70,946.76

Finding the Fourth Proportional to 106,461.12, 159,745.86 and 70,946.76

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Solution

The fourth proportional to 106,461.12, 159,745.86 and 70,946.76 is: 106,456.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,461.12 : 159,745.86 = 70,946.76 : x
  2. Step 2: Convert to fraction form
    106,461.12/159,745.86 = 70,946.76/x
  3. Step 3: Cross multiply
    106,461.12x = 159,745.86 × 70,946.76
  4. Step 4: Simplify right side
    106,461.12x = 11,333,451,190.41
  5. Step 5: Solve for x
    x = 11,333,451,190.41/106,461.12
  6. Step 6: Final answer
    x = 106,456.25

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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.