Home / 114,108.30-170,834.40-100,986.30

Finding the Fourth Proportional to 114,108.30, 170,834.40 and 100,986.30

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Solution

The fourth proportional to 114,108.30, 170,834.40 and 100,986.30 is: 151,189.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,108.30 : 170,834.40 = 100,986.30 : x
  2. Step 2: Convert to fraction form
    114,108.30/170,834.40 = 100,986.30/x
  3. Step 3: Cross multiply
    114,108.30x = 170,834.40 × 100,986.30
  4. Step 4: Simplify right side
    114,108.30x = 17,251,933,968.72
  5. Step 5: Solve for x
    x = 17,251,933,968.72/114,108.30
  6. Step 6: Final answer
    x = 151,189.12

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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.