Home / 145,956.96-201,416.58-82,294.20

Finding the Fourth Proportional to 145,956.96, 201,416.58 and 82,294.20

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Solution

The fourth proportional to 145,956.96, 201,416.58 and 82,294.20 is: 113,563.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,956.96 : 201,416.58 = 82,294.20 : x
  2. Step 2: Convert to fraction form
    145,956.96/201,416.58 = 82,294.20/x
  3. Step 3: Cross multiply
    145,956.96x = 201,416.58 × 82,294.20
  4. Step 4: Simplify right side
    145,956.96x = 16,575,416,317.84
  5. Step 5: Solve for x
    x = 16,575,416,317.84/145,956.96
  6. Step 6: Final answer
    x = 113,563.73

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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.