Home / 119,709.10-165,199.63-65,996.01

Finding the Fourth Proportional to 119,709.10, 165,199.63 and 65,996.01

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Solution

The fourth proportional to 119,709.10, 165,199.63 and 65,996.01 is: 91,075.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,709.10 : 165,199.63 = 65,996.01 : x
  2. Step 2: Convert to fraction form
    119,709.10/165,199.63 = 65,996.01/x
  3. Step 3: Cross multiply
    119,709.10x = 165,199.63 × 65,996.01
  4. Step 4: Simplify right side
    119,709.10x = 10,902,516,268.49
  5. Step 5: Solve for x
    x = 10,902,516,268.49/119,709.10
  6. Step 6: Final answer
    x = 91,075.09

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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.