Home / 448,447.20-672,522.72-164,073.12

Finding the Fourth Proportional to 448,447.20, 672,522.72 and 164,073.12

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Solution

The fourth proportional to 448,447.20, 672,522.72 and 164,073.12 is: 246,055.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,447.20 : 672,522.72 = 164,073.12 : x
  2. Step 2: Convert to fraction form
    448,447.20/672,522.72 = 164,073.12/x
  3. Step 3: Cross multiply
    448,447.20x = 672,522.72 × 164,073.12
  4. Step 4: Simplify right side
    448,447.20x = 110,342,900,941.29
  5. Step 5: Solve for x
    x = 110,342,900,941.29/448,447.20
  6. Step 6: Final answer
    x = 246,055.50

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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.