Home / 448,429.96-672,625.50-111,463.48

Finding the Fourth Proportional to 448,429.96, 672,625.50 and 111,463.48

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Solution

The fourth proportional to 448,429.96, 672,625.50 and 111,463.48 is: 167,190.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,429.96 : 672,625.50 = 111,463.48 : x
  2. Step 2: Convert to fraction form
    448,429.96/672,625.50 = 111,463.48/x
  3. Step 3: Cross multiply
    448,429.96x = 672,625.50 × 111,463.48
  4. Step 4: Simplify right side
    448,429.96x = 74,973,178,966.74
  5. Step 5: Solve for x
    x = 74,973,178,966.74/448,429.96
  6. Step 6: Final answer
    x = 167,190.39

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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.