Home / 156,011.01-234,868.76-106,405.75

Finding the Fourth Proportional to 156,011.01, 234,868.76 and 106,405.75

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Solution

The fourth proportional to 156,011.01, 234,868.76 and 106,405.75 is: 160,189.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,011.01 : 234,868.76 = 106,405.75 : x
  2. Step 2: Convert to fraction form
    156,011.01/234,868.76 = 106,405.75/x
  3. Step 3: Cross multiply
    156,011.01x = 234,868.76 × 106,405.75
  4. Step 4: Simplify right side
    156,011.01x = 24,991,387,318.48
  5. Step 5: Solve for x
    x = 24,991,387,318.48/156,011.01
  6. Step 6: Final answer
    x = 160,189.89

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.