Home / 119,151.07-178,699.37-71,133.26

Finding the Fourth Proportional to 119,151.07, 178,699.37 and 71,133.26

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Solution

The fourth proportional to 119,151.07, 178,699.37 and 71,133.26 is: 106,683.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,151.07 : 178,699.37 = 71,133.26 : x
  2. Step 2: Convert to fraction form
    119,151.07/178,699.37 = 71,133.26/x
  3. Step 3: Cross multiply
    119,151.07x = 178,699.37 × 71,133.26
  4. Step 4: Simplify right side
    119,151.07x = 12,711,467,498.88
  5. Step 5: Solve for x
    x = 12,711,467,498.88/119,151.07
  6. Step 6: Final answer
    x = 106,683.62

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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.