Home / 101,214.18-151,739.19-76,206.24

Finding the Fourth Proportional to 101,214.18, 151,739.19 and 76,206.24

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Solution

The fourth proportional to 101,214.18, 151,739.19 and 76,206.24 is: 114,247.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,214.18 : 151,739.19 = 76,206.24 : x
  2. Step 2: Convert to fraction form
    101,214.18/151,739.19 = 76,206.24/x
  3. Step 3: Cross multiply
    101,214.18x = 151,739.19 × 76,206.24
  4. Step 4: Simplify right side
    101,214.18x = 11,563,473,130.55
  5. Step 5: Solve for x
    x = 11,563,473,130.55/101,214.18
  6. Step 6: Final answer
    x = 114,247.56

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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.