Home / 119,372.64-164,704.44-76,880.04

Finding the Fourth Proportional to 119,372.64, 164,704.44 and 76,880.04

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Solution

The fourth proportional to 119,372.64, 164,704.44 and 76,880.04 is: 106,075.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,372.64 : 164,704.44 = 76,880.04 : x
  2. Step 2: Convert to fraction form
    119,372.64/164,704.44 = 76,880.04/x
  3. Step 3: Cross multiply
    119,372.64x = 164,704.44 × 76,880.04
  4. Step 4: Simplify right side
    119,372.64x = 12,662,483,935.38
  5. Step 5: Solve for x
    x = 12,662,483,935.38/119,372.64
  6. Step 6: Final answer
    x = 106,075.26

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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.