Home / 119,314.89-178,972.34-49,192.38

Finding the Fourth Proportional to 119,314.89, 178,972.34 and 49,192.38

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Solution

The fourth proportional to 119,314.89, 178,972.34 and 49,192.38 is: 73,788.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,314.89 : 178,972.34 = 49,192.38 : x
  2. Step 2: Convert to fraction form
    119,314.89/178,972.34 = 49,192.38/x
  3. Step 3: Cross multiply
    119,314.89x = 178,972.34 × 49,192.38
  4. Step 4: Simplify right side
    119,314.89x = 8,804,075,358.77
  5. Step 5: Solve for x
    x = 8,804,075,358.77/119,314.89
  6. Step 6: Final answer
    x = 73,788.57

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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.