Home / 383,220.25-528,818.64-230,167.51

Finding the Fourth Proportional to 383,220.25, 528,818.64 and 230,167.51

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Solution

The fourth proportional to 383,220.25, 528,818.64 and 230,167.51 is: 317,615.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,220.25 : 528,818.64 = 230,167.51 : x
  2. Step 2: Convert to fraction form
    383,220.25/528,818.64 = 230,167.51/x
  3. Step 3: Cross multiply
    383,220.25x = 528,818.64 × 230,167.51
  4. Step 4: Simplify right side
    383,220.25x = 121,716,869,610.39
  5. Step 5: Solve for x
    x = 121,716,869,610.39/383,220.25
  6. Step 6: Final answer
    x = 317,615.97

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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.