Home / 149,699.23-206,585.72-82,631.23

Finding the Fourth Proportional to 149,699.23, 206,585.72 and 82,631.23

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Solution

The fourth proportional to 149,699.23, 206,585.72 and 82,631.23 is: 114,031.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,699.23 : 206,585.72 = 82,631.23 : x
  2. Step 2: Convert to fraction form
    149,699.23/206,585.72 = 82,631.23/x
  3. Step 3: Cross multiply
    149,699.23x = 206,585.72 × 82,631.23
  4. Step 4: Simplify right side
    149,699.23x = 17,070,432,144.04
  5. Step 5: Solve for x
    x = 17,070,432,144.04/149,699.23
  6. Step 6: Final answer
    x = 114,031.53

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1.5x scale

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.