Home / 119,539.17-164,962.80-71,174.25

Finding the Fourth Proportional to 119,539.17, 164,962.80 and 71,174.25

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Solution

The fourth proportional to 119,539.17, 164,962.80 and 71,174.25 is: 98,219.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,539.17 : 164,962.80 = 71,174.25 : x
  2. Step 2: Convert to fraction form
    119,539.17/164,962.80 = 71,174.25/x
  3. Step 3: Cross multiply
    119,539.17x = 164,962.80 × 71,174.25
  4. Step 4: Simplify right side
    119,539.17x = 11,741,103,567.90
  5. Step 5: Solve for x
    x = 11,741,103,567.90/119,539.17
  6. Step 6: Final answer
    x = 98,219.72

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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.