Home / 130,084.41-179,520-73,494.57

Finding the Fourth Proportional to 130,084.41, 179,520 and 73,494.57

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Solution

The fourth proportional to 130,084.41, 179,520 and 73,494.57 is: 101,424.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,084.41 : 179,520 = 73,494.57 : x
  2. Step 2: Convert to fraction form
    130,084.41/179,520 = 73,494.57/x
  3. Step 3: Cross multiply
    130,084.41x = 179,520 × 73,494.57
  4. Step 4: Simplify right side
    130,084.41x = 13,193,745,206.40
  5. Step 5: Solve for x
    x = 13,193,745,206.40/130,084.41
  6. Step 6: Final answer
    x = 101,424.49

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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.