Home / 448,515.12-672,770.52-149,018.16

Finding the Fourth Proportional to 448,515.12, 672,770.52 and 149,018.16

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Solution

The fourth proportional to 448,515.12, 672,770.52 and 149,018.16 is: 223,526.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,515.12 : 672,770.52 = 149,018.16 : x
  2. Step 2: Convert to fraction form
    448,515.12/672,770.52 = 149,018.16/x
  3. Step 3: Cross multiply
    448,515.12x = 672,770.52 × 149,018.16
  4. Step 4: Simplify right side
    448,515.12x = 100,255,024,992.64
  5. Step 5: Solve for x
    x = 100,255,024,992.64/448,515.12
  6. Step 6: Final answer
    x = 223,526.52

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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.