Home / 395,621.68-593,525.86-129,381.16

Finding the Fourth Proportional to 395,621.68, 593,525.86 and 129,381.16

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Solution

The fourth proportional to 395,621.68, 593,525.86 and 129,381.16 is: 194,102.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,621.68 : 593,525.86 = 129,381.16 : x
  2. Step 2: Convert to fraction form
    395,621.68/593,525.86 = 129,381.16/x
  3. Step 3: Cross multiply
    395,621.68x = 593,525.86 × 129,381.16
  4. Step 4: Simplify right side
    395,621.68x = 76,791,064,256.80
  5. Step 5: Solve for x
    x = 76,791,064,256.80/395,621.68
  6. Step 6: Final answer
    x = 194,102.27

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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.