Home / 119,961.48-165,567.06-69,689.64

Finding the Fourth Proportional to 119,961.48, 165,567.06 and 69,689.64

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Solution

The fourth proportional to 119,961.48, 165,567.06 and 69,689.64 is: 96,183.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,961.48 : 165,567.06 = 69,689.64 : x
  2. Step 2: Convert to fraction form
    119,961.48/165,567.06 = 69,689.64/x
  3. Step 3: Cross multiply
    119,961.48x = 165,567.06 × 69,689.64
  4. Step 4: Simplify right side
    119,961.48x = 11,538,308,807.26
  5. Step 5: Solve for x
    x = 11,538,308,807.26/119,961.48
  6. Step 6: Final answer
    x = 96,183.45

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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.