Home / 145,990.72-201,461.07-82,334.44

Finding the Fourth Proportional to 145,990.72, 201,461.07 and 82,334.44

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Solution

The fourth proportional to 145,990.72, 201,461.07 and 82,334.44 is: 113,618.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,990.72 : 201,461.07 = 82,334.44 : x
  2. Step 2: Convert to fraction form
    145,990.72/201,461.07 = 82,334.44/x
  3. Step 3: Cross multiply
    145,990.72x = 201,461.07 × 82,334.44
  4. Step 4: Simplify right side
    145,990.72x = 16,587,184,380.25
  5. Step 5: Solve for x
    x = 16,587,184,380.25/145,990.72
  6. Step 6: Final answer
    x = 113,618.07

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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.