Home / 182,851.20-274,158.40-77,641.60

Finding the Fourth Proportional to 182,851.20, 274,158.40 and 77,641.60

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Solution

The fourth proportional to 182,851.20, 274,158.40 and 77,641.60 is: 116,412.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,851.20 : 274,158.40 = 77,641.60 : x
  2. Step 2: Convert to fraction form
    182,851.20/274,158.40 = 77,641.60/x
  3. Step 3: Cross multiply
    182,851.20x = 274,158.40 × 77,641.60
  4. Step 4: Simplify right side
    182,851.20x = 21,286,096,829.44
  5. Step 5: Solve for x
    x = 21,286,096,829.44/182,851.20
  6. Step 6: Final answer
    x = 116,412.13

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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.