Home / 448,145.60-672,337.20-195,317.60

Finding the Fourth Proportional to 448,145.60, 672,337.20 and 195,317.60

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Solution

The fourth proportional to 448,145.60, 672,337.20 and 195,317.60 is: 293,028.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,145.60 : 672,337.20 = 195,317.60 : x
  2. Step 2: Convert to fraction form
    448,145.60/672,337.20 = 195,317.60/x
  3. Step 3: Cross multiply
    448,145.60x = 672,337.20 × 195,317.60
  4. Step 4: Simplify right side
    448,145.60x = 131,319,288,294.72
  5. Step 5: Solve for x
    x = 131,319,288,294.72/448,145.60
  6. Step 6: Final answer
    x = 293,028.18

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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.