Home / 304,845.44-420,690.93-175,781.66

Finding the Fourth Proportional to 304,845.44, 420,690.93 and 175,781.66

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Solution

The fourth proportional to 304,845.44, 420,690.93 and 175,781.66 is: 242,581.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,845.44 : 420,690.93 = 175,781.66 : x
  2. Step 2: Convert to fraction form
    304,845.44/420,690.93 = 175,781.66/x
  3. Step 3: Cross multiply
    304,845.44x = 420,690.93 × 175,781.66
  4. Step 4: Simplify right side
    304,845.44x = 73,949,750,022.34
  5. Step 5: Solve for x
    x = 73,949,750,022.34/304,845.44
  6. Step 6: Final answer
    x = 242,581.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.