Home / 201,870.10-302,659.35-113,150.80

Finding the Fourth Proportional to 201,870.10, 302,659.35 and 113,150.80

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Solution

The fourth proportional to 201,870.10, 302,659.35 and 113,150.80 is: 169,644.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,870.10 : 302,659.35 = 113,150.80 : x
  2. Step 2: Convert to fraction form
    201,870.10/302,659.35 = 113,150.80/x
  3. Step 3: Cross multiply
    201,870.10x = 302,659.35 × 113,150.80
  4. Step 4: Simplify right side
    201,870.10x = 34,246,147,579.98
  5. Step 5: Solve for x
    x = 34,246,147,579.98/201,870.10
  6. Step 6: Final answer
    x = 169,644.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.