Home / 119,112.60-178,559.25-51,602.21

Finding the Fourth Proportional to 119,112.60, 178,559.25 and 51,602.21

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Solution

The fourth proportional to 119,112.60, 178,559.25 and 51,602.21 is: 77,355.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,112.60 : 178,559.25 = 51,602.21 : x
  2. Step 2: Convert to fraction form
    119,112.60/178,559.25 = 51,602.21/x
  3. Step 3: Cross multiply
    119,112.60x = 178,559.25 × 51,602.21
  4. Step 4: Simplify right side
    119,112.60x = 9,214,051,915.94
  5. Step 5: Solve for x
    x = 9,214,051,915.94/119,112.60
  6. Step 6: Final answer
    x = 77,355.81

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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.