Home / 147,258.12-201,992.64-145,992.90

Finding the Fourth Proportional to 147,258.12, 201,992.64 and 145,992.90

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Solution

The fourth proportional to 147,258.12, 201,992.64 and 145,992.90 is: 200,257.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,258.12 : 201,992.64 = 145,992.90 : x
  2. Step 2: Convert to fraction form
    147,258.12/201,992.64 = 145,992.90/x
  3. Step 3: Cross multiply
    147,258.12x = 201,992.64 × 145,992.90
  4. Step 4: Simplify right side
    147,258.12x = 29,489,491,292.26
  5. Step 5: Solve for x
    x = 29,489,491,292.26/147,258.12
  6. Step 6: Final answer
    x = 200,257.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.