Home / 145,544.96-200,846.81-81,012.06

Finding the Fourth Proportional to 145,544.96, 200,846.81 and 81,012.06

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Solution

The fourth proportional to 145,544.96, 200,846.81 and 81,012.06 is: 111,793.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,544.96 : 200,846.81 = 81,012.06 : x
  2. Step 2: Convert to fraction form
    145,544.96/200,846.81 = 81,012.06/x
  3. Step 3: Cross multiply
    145,544.96x = 200,846.81 × 81,012.06
  4. Step 4: Simplify right side
    145,544.96x = 16,271,014,025.06
  5. Step 5: Solve for x
    x = 16,271,014,025.06/145,544.96
  6. Step 6: Final answer
    x = 111,793.73

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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.