Home / 399,450.27-551,167.74-236,133.12

Finding the Fourth Proportional to 399,450.27, 551,167.74 and 236,133.12

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Solution

The fourth proportional to 399,450.27, 551,167.74 and 236,133.12 is: 325,820.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,450.27 : 551,167.74 = 236,133.12 : x
  2. Step 2: Convert to fraction form
    399,450.27/551,167.74 = 236,133.12/x
  3. Step 3: Cross multiply
    399,450.27x = 551,167.74 × 236,133.12
  4. Step 4: Simplify right side
    399,450.27x = 130,148,958,089.55
  5. Step 5: Solve for x
    x = 130,148,958,089.55/399,450.27
  6. Step 6: Final answer
    x = 325,820.18

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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.