Home / 121,664.30-182,434.14-64,770.52

Finding the Fourth Proportional to 121,664.30, 182,434.14 and 64,770.52

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Solution

The fourth proportional to 121,664.30, 182,434.14 and 64,770.52 is: 97,122.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,664.30 : 182,434.14 = 64,770.52 : x
  2. Step 2: Convert to fraction form
    121,664.30/182,434.14 = 64,770.52/x
  3. Step 3: Cross multiply
    121,664.30x = 182,434.14 × 64,770.52
  4. Step 4: Simplify right side
    121,664.30x = 11,816,353,999.53
  5. Step 5: Solve for x
    x = 11,816,353,999.53/121,664.30
  6. Step 6: Final answer
    x = 97,122.61

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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.