Home / 130,274.53-179,823.21-76,575.48

Finding the Fourth Proportional to 130,274.53, 179,823.21 and 76,575.48

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Solution

The fourth proportional to 130,274.53, 179,823.21 and 76,575.48 is: 105,700.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,274.53 : 179,823.21 = 76,575.48 : x
  2. Step 2: Convert to fraction form
    130,274.53/179,823.21 = 76,575.48/x
  3. Step 3: Cross multiply
    130,274.53x = 179,823.21 × 76,575.48
  4. Step 4: Simplify right side
    130,274.53x = 13,770,047,659.40
  5. Step 5: Solve for x
    x = 13,770,047,659.40/130,274.53
  6. Step 6: Final answer
    x = 105,700.23

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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.