Home / 119,986.98-165,602.25-69,715.14

Finding the Fourth Proportional to 119,986.98, 165,602.25 and 69,715.14

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Solution

The fourth proportional to 119,986.98, 165,602.25 and 69,715.14 is: 96,218.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,986.98 : 165,602.25 = 69,715.14 : x
  2. Step 2: Convert to fraction form
    119,986.98/165,602.25 = 69,715.14/x
  3. Step 3: Cross multiply
    119,986.98x = 165,602.25 × 69,715.14
  4. Step 4: Simplify right side
    119,986.98x = 11,544,984,043.07
  5. Step 5: Solve for x
    x = 11,544,984,043.07/119,986.98
  6. Step 6: Final answer
    x = 96,218.64

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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.