Home / 130,060.26-179,480.41-72,697.98

Finding the Fourth Proportional to 130,060.26, 179,480.41 and 72,697.98

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Solution

The fourth proportional to 130,060.26, 179,480.41 and 72,697.98 is: 100,321.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,060.26 : 179,480.41 = 72,697.98 : x
  2. Step 2: Convert to fraction form
    130,060.26/179,480.41 = 72,697.98/x
  3. Step 3: Cross multiply
    130,060.26x = 179,480.41 × 72,697.98
  4. Step 4: Simplify right side
    130,060.26x = 13,047,863,256.57
  5. Step 5: Solve for x
    x = 13,047,863,256.57/130,060.26
  6. Step 6: Final answer
    x = 100,321.68

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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.