Home / 182,740.48-274,041.60-71,872

Finding the Fourth Proportional to 182,740.48, 274,041.60 and 71,872

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Solution

The fourth proportional to 182,740.48, 274,041.60 and 71,872 is: 107,780.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,740.48 : 274,041.60 = 71,872 : x
  2. Step 2: Convert to fraction form
    182,740.48/274,041.60 = 71,872/x
  3. Step 3: Cross multiply
    182,740.48x = 274,041.60 × 71,872
  4. Step 4: Simplify right side
    182,740.48x = 19,695,917,875.20
  5. Step 5: Solve for x
    x = 19,695,917,875.20/182,740.48
  6. Step 6: Final answer
    x = 107,780.82

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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.