Home / 144,337.95-199,181.03-80,676.81

Finding the Fourth Proportional to 144,337.95, 199,181.03 and 80,676.81

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Solution

The fourth proportional to 144,337.95, 199,181.03 and 80,676.81 is: 111,331.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,337.95 : 199,181.03 = 80,676.81 : x
  2. Step 2: Convert to fraction form
    144,337.95/199,181.03 = 80,676.81/x
  3. Step 3: Cross multiply
    144,337.95x = 199,181.03 × 80,676.81
  4. Step 4: Simplify right side
    144,337.95x = 16,069,289,709.53
  5. Step 5: Solve for x
    x = 16,069,289,709.53/144,337.95
  6. Step 6: Final answer
    x = 111,331.01

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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.