Home / 448,821.20-672,854.85-195,909.23

Finding the Fourth Proportional to 448,821.20, 672,854.85 and 195,909.23

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Solution

The fourth proportional to 448,821.20, 672,854.85 and 195,909.23 is: 293,699.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,821.20 : 672,854.85 = 195,909.23 : x
  2. Step 2: Convert to fraction form
    448,821.20/672,854.85 = 195,909.23/x
  3. Step 3: Cross multiply
    448,821.20x = 672,854.85 × 195,909.23
  4. Step 4: Simplify right side
    448,821.20x = 131,818,477,247.40
  5. Step 5: Solve for x
    x = 131,818,477,247.40/448,821.20
  6. Step 6: Final answer
    x = 293,699.31

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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.