Home / 146,186.90-201,741.23-85,801.08

Finding the Fourth Proportional to 146,186.90, 201,741.23 and 85,801.08

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Solution

The fourth proportional to 146,186.90, 201,741.23 and 85,801.08 is: 118,407.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,186.90 : 201,741.23 = 85,801.08 : x
  2. Step 2: Convert to fraction form
    146,186.90/201,741.23 = 85,801.08/x
  3. Step 3: Cross multiply
    146,186.90x = 201,741.23 × 85,801.08
  4. Step 4: Simplify right side
    146,186.90x = 17,309,614,985.52
  5. Step 5: Solve for x
    x = 17,309,614,985.52/146,186.90
  6. Step 6: Final answer
    x = 118,407.43

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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.