Home / 159,005.72-219,196.74-111,110.36

Finding the Fourth Proportional to 159,005.72, 219,196.74 and 111,110.36

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Solution

The fourth proportional to 159,005.72, 219,196.74 and 111,110.36 is: 153,170.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,005.72 : 219,196.74 = 111,110.36 : x
  2. Step 2: Convert to fraction form
    159,005.72/219,196.74 = 111,110.36/x
  3. Step 3: Cross multiply
    159,005.72x = 219,196.74 × 111,110.36
  4. Step 4: Simplify right side
    159,005.72x = 24,355,028,692.23
  5. Step 5: Solve for x
    x = 24,355,028,692.23/159,005.72
  6. Step 6: Final answer
    x = 153,170.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.