Home / 140,749.95-211,136.45-40,910.04

Finding the Fourth Proportional to 140,749.95, 211,136.45 and 40,910.04

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Solution

The fourth proportional to 140,749.95, 211,136.45 and 40,910.04 is: 61,368.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,749.95 : 211,136.45 = 40,910.04 : x
  2. Step 2: Convert to fraction form
    140,749.95/211,136.45 = 40,910.04/x
  3. Step 3: Cross multiply
    140,749.95x = 211,136.45 × 40,910.04
  4. Step 4: Simplify right side
    140,749.95x = 8,637,600,410.41
  5. Step 5: Solve for x
    x = 8,637,600,410.41/140,749.95
  6. Step 6: Final answer
    x = 61,368.41

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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.