Home / 106,170.88-159,221.44-47,005.28

Finding the Fourth Proportional to 106,170.88, 159,221.44 and 47,005.28

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Solution

The fourth proportional to 106,170.88, 159,221.44 and 47,005.28 is: 70,492.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,170.88 : 159,221.44 = 47,005.28 : x
  2. Step 2: Convert to fraction form
    106,170.88/159,221.44 = 47,005.28/x
  3. Step 3: Cross multiply
    106,170.88x = 159,221.44 × 47,005.28
  4. Step 4: Simplify right side
    106,170.88x = 7,484,248,369.20
  5. Step 5: Solve for x
    x = 7,484,248,369.20/106,170.88
  6. Step 6: Final answer
    x = 70,492.48

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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.