Home / 130,096.77-179,523.56-79,102.42

Finding the Fourth Proportional to 130,096.77, 179,523.56 and 79,102.42

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Solution

The fourth proportional to 130,096.77, 179,523.56 and 79,102.42 is: 109,155.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,096.77 : 179,523.56 = 79,102.42 : x
  2. Step 2: Convert to fraction form
    130,096.77/179,523.56 = 79,102.42/x
  3. Step 3: Cross multiply
    130,096.77x = 179,523.56 × 79,102.42
  4. Step 4: Simplify right side
    130,096.77x = 14,200,747,347.01
  5. Step 5: Solve for x
    x = 14,200,747,347.01/130,096.77
  6. Step 6: Final answer
    x = 109,155.27

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1.5x scale

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.