Home / 448,515.06-672,886.20-148,997.12

Finding the Fourth Proportional to 448,515.06, 672,886.20 and 148,997.12

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Solution

The fourth proportional to 448,515.06, 672,886.20 and 148,997.12 is: 223,533.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,515.06 : 672,886.20 = 148,997.12 : x
  2. Step 2: Convert to fraction form
    448,515.06/672,886.20 = 148,997.12/x
  3. Step 3: Cross multiply
    448,515.06x = 672,886.20 × 148,997.12
  4. Step 4: Simplify right side
    448,515.06x = 100,258,105,887.74
  5. Step 5: Solve for x
    x = 100,258,105,887.74/448,515.06
  6. Step 6: Final answer
    x = 223,533.42

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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.