Home / 170,808.34-235,697.58-99,174.36

Finding the Fourth Proportional to 170,808.34, 235,697.58 and 99,174.36

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Solution

The fourth proportional to 170,808.34, 235,697.58 and 99,174.36 is: 136,850.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,808.34 : 235,697.58 = 99,174.36 : x
  2. Step 2: Convert to fraction form
    170,808.34/235,697.58 = 99,174.36/x
  3. Step 3: Cross multiply
    170,808.34x = 235,697.58 × 99,174.36
  4. Step 4: Simplify right side
    170,808.34x = 23,375,156,650.05
  5. Step 5: Solve for x
    x = 23,375,156,650.05/170,808.34
  6. Step 6: Final answer
    x = 136,850.21

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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.