Home / 115,230.10-172,576.58-111,239.14

Finding the Fourth Proportional to 115,230.10, 172,576.58 and 111,239.14

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Solution

The fourth proportional to 115,230.10, 172,576.58 and 111,239.14 is: 166,599.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,230.10 : 172,576.58 = 111,239.14 : x
  2. Step 2: Convert to fraction form
    115,230.10/172,576.58 = 111,239.14/x
  3. Step 3: Cross multiply
    115,230.10x = 172,576.58 × 111,239.14
  4. Step 4: Simplify right side
    115,230.10x = 19,197,270,343.34
  5. Step 5: Solve for x
    x = 19,197,270,343.34/115,230.10
  6. Step 6: Final answer
    x = 166,599.44

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1.5x scale

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.