Home / 121,698.29-182,459.93-55,104.14

Finding the Fourth Proportional to 121,698.29, 182,459.93 and 55,104.14

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Solution

The fourth proportional to 121,698.29, 182,459.93 and 55,104.14 is: 82,616.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,698.29 : 182,459.93 = 55,104.14 : x
  2. Step 2: Convert to fraction form
    121,698.29/182,459.93 = 55,104.14/x
  3. Step 3: Cross multiply
    121,698.29x = 182,459.93 × 55,104.14
  4. Step 4: Simplify right side
    121,698.29x = 10,054,296,339.29
  5. Step 5: Solve for x
    x = 10,054,296,339.29/121,698.29
  6. Step 6: Final answer
    x = 82,616.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.