Home / 439,483.50-658,834.29-158,938.38

Finding the Fourth Proportional to 439,483.50, 658,834.29 and 158,938.38

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Solution

The fourth proportional to 439,483.50, 658,834.29 and 158,938.38 is: 238,266.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,483.50 : 658,834.29 = 158,938.38 : x
  2. Step 2: Convert to fraction form
    439,483.50/658,834.29 = 158,938.38/x
  3. Step 3: Cross multiply
    439,483.50x = 658,834.29 × 158,938.38
  4. Step 4: Simplify right side
    439,483.50x = 104,714,054,741.05
  5. Step 5: Solve for x
    x = 104,714,054,741.05/439,483.50
  6. Step 6: Final answer
    x = 238,266.18

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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.