Home / 118,861.08-178,318.53-39,973.14

Finding the Fourth Proportional to 118,861.08, 178,318.53 and 39,973.14

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Solution

The fourth proportional to 118,861.08, 178,318.53 and 39,973.14 is: 59,968.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,861.08 : 178,318.53 = 39,973.14 : x
  2. Step 2: Convert to fraction form
    118,861.08/178,318.53 = 39,973.14/x
  3. Step 3: Cross multiply
    118,861.08x = 178,318.53 × 39,973.14
  4. Step 4: Simplify right side
    118,861.08x = 7,127,951,564.28
  5. Step 5: Solve for x
    x = 7,127,951,564.28/118,861.08
  6. Step 6: Final answer
    x = 59,968.76

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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.