Home / 121,657.12-182,486.64-32,911.36

Finding the Fourth Proportional to 121,657.12, 182,486.64 and 32,911.36

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Solution

The fourth proportional to 121,657.12, 182,486.64 and 32,911.36 is: 49,367.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,657.12 : 182,486.64 = 32,911.36 : x
  2. Step 2: Convert to fraction form
    121,657.12/182,486.64 = 32,911.36/x
  3. Step 3: Cross multiply
    121,657.12x = 182,486.64 × 32,911.36
  4. Step 4: Simplify right side
    121,657.12x = 6,005,883,504.23
  5. Step 5: Solve for x
    x = 6,005,883,504.23/121,657.12
  6. Step 6: Final answer
    x = 49,367.30

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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.