Home / 171,005.04-256,559.40-121,181.67

Finding the Fourth Proportional to 171,005.04, 256,559.40 and 121,181.67

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Solution

The fourth proportional to 171,005.04, 256,559.40 and 121,181.67 is: 181,809.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,005.04 : 256,559.40 = 121,181.67 : x
  2. Step 2: Convert to fraction form
    171,005.04/256,559.40 = 121,181.67/x
  3. Step 3: Cross multiply
    171,005.04x = 256,559.40 × 121,181.67
  4. Step 4: Simplify right side
    171,005.04x = 31,090,296,546.20
  5. Step 5: Solve for x
    x = 31,090,296,546.20/171,005.04
  6. Step 6: Final answer
    x = 181,809.24

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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.