Home / 251,519.11-347,145.68-144,161.10

Finding the Fourth Proportional to 251,519.11, 347,145.68 and 144,161.10

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Solution

The fourth proportional to 251,519.11, 347,145.68 and 144,161.10 is: 198,970.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,519.11 : 347,145.68 = 144,161.10 : x
  2. Step 2: Convert to fraction form
    251,519.11/347,145.68 = 144,161.10/x
  3. Step 3: Cross multiply
    251,519.11x = 347,145.68 × 144,161.10
  4. Step 4: Simplify right side
    251,519.11x = 50,044,903,449.45
  5. Step 5: Solve for x
    x = 50,044,903,449.45/251,519.11
  6. Step 6: Final answer
    x = 198,970.58

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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.