Home / 336,621.42-464,705.91-209,338.02

Finding the Fourth Proportional to 336,621.42, 464,705.91 and 209,338.02

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Solution

The fourth proportional to 336,621.42, 464,705.91 and 209,338.02 is: 288,991.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,621.42 : 464,705.91 = 209,338.02 : x
  2. Step 2: Convert to fraction form
    336,621.42/464,705.91 = 209,338.02/x
  3. Step 3: Cross multiply
    336,621.42x = 464,705.91 × 209,338.02
  4. Step 4: Simplify right side
    336,621.42x = 97,280,615,081.70
  5. Step 5: Solve for x
    x = 97,280,615,081.70/336,621.42
  6. Step 6: Final answer
    x = 288,991.16

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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.