Home / 149,459.04-206,254.26-82,391.04

Finding the Fourth Proportional to 149,459.04, 206,254.26 and 82,391.04

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Solution

The fourth proportional to 149,459.04, 206,254.26 and 82,391.04 is: 113,700.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,459.04 : 206,254.26 = 82,391.04 : x
  2. Step 2: Convert to fraction form
    149,459.04/206,254.26 = 82,391.04/x
  3. Step 3: Cross multiply
    149,459.04x = 206,254.26 × 82,391.04
  4. Step 4: Simplify right side
    149,459.04x = 16,993,502,985.83
  5. Step 5: Solve for x
    x = 16,993,502,985.83/149,459.04
  6. Step 6: Final answer
    x = 113,700.07

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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.