Home / 382,899.75-574,543.38-158,421.27

Finding the Fourth Proportional to 382,899.75, 574,543.38 and 158,421.27

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Solution

The fourth proportional to 382,899.75, 574,543.38 and 158,421.27 is: 237,712.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,899.75 : 574,543.38 = 158,421.27 : x
  2. Step 2: Convert to fraction form
    382,899.75/574,543.38 = 158,421.27/x
  3. Step 3: Cross multiply
    382,899.75x = 574,543.38 × 158,421.27
  4. Step 4: Simplify right side
    382,899.75x = 91,019,891,929.69
  5. Step 5: Solve for x
    x = 91,019,891,929.69/382,899.75
  6. Step 6: Final answer
    x = 237,712.07

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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.