Home / 131,999.94-182,162.28-71,572.62

Finding the Fourth Proportional to 131,999.94, 182,162.28 and 71,572.62

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Solution

The fourth proportional to 131,999.94, 182,162.28 and 71,572.62 is: 98,771.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,999.94 : 182,162.28 = 71,572.62 : x
  2. Step 2: Convert to fraction form
    131,999.94/182,162.28 = 71,572.62/x
  3. Step 3: Cross multiply
    131,999.94x = 182,162.28 × 71,572.62
  4. Step 4: Simplify right side
    131,999.94x = 13,037,831,644.77
  5. Step 5: Solve for x
    x = 13,037,831,644.77/131,999.94
  6. Step 6: Final answer
    x = 98,771.50

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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.