Home / 145,546.96-200,849.57-81,014.06

Finding the Fourth Proportional to 145,546.96, 200,849.57 and 81,014.06

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Solution

The fourth proportional to 145,546.96, 200,849.57 and 81,014.06 is: 111,796.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,546.96 : 200,849.57 = 81,014.06 : x
  2. Step 2: Convert to fraction form
    145,546.96/200,849.57 = 81,014.06/x
  3. Step 3: Cross multiply
    145,546.96x = 200,849.57 × 81,014.06
  4. Step 4: Simplify right side
    145,546.96x = 16,271,639,114.95
  5. Step 5: Solve for x
    x = 16,271,639,114.95/145,546.96
  6. Step 6: Final answer
    x = 111,796.49

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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.