Home / 123,986.10-185,986.35-35,246.10

Finding the Fourth Proportional to 123,986.10, 185,986.35 and 35,246.10

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Solution

The fourth proportional to 123,986.10, 185,986.35 and 35,246.10 is: 52,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,986.10 : 185,986.35 = 35,246.10 : x
  2. Step 2: Convert to fraction form
    123,986.10/185,986.35 = 35,246.10/x
  3. Step 3: Cross multiply
    123,986.10x = 185,986.35 × 35,246.10
  4. Step 4: Simplify right side
    123,986.10x = 6,555,293,490.74
  5. Step 5: Solve for x
    x = 6,555,293,490.74/123,986.10
  6. Step 6: Final answer
    x = 52,871.20

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1.5x scale

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.