Home / 119,700.64-165,196.76-65,996.16

Finding the Fourth Proportional to 119,700.64, 165,196.76 and 65,996.16

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Solution

The fourth proportional to 119,700.64, 165,196.76 and 65,996.16 is: 91,080.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,700.64 : 165,196.76 = 65,996.16 : x
  2. Step 2: Convert to fraction form
    119,700.64/165,196.76 = 65,996.16/x
  3. Step 3: Cross multiply
    119,700.64x = 165,196.76 × 65,996.16
  4. Step 4: Simplify right side
    119,700.64x = 10,902,351,804.44
  5. Step 5: Solve for x
    x = 10,902,351,804.44/119,700.64
  6. Step 6: Final answer
    x = 91,080.15

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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.