Home / 130,869.41-180,604.23-73,518.86

Finding the Fourth Proportional to 130,869.41, 180,604.23 and 73,518.86

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Solution

The fourth proportional to 130,869.41, 180,604.23 and 73,518.86 is: 101,458.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,869.41 : 180,604.23 = 73,518.86 : x
  2. Step 2: Convert to fraction form
    130,869.41/180,604.23 = 73,518.86/x
  3. Step 3: Cross multiply
    130,869.41x = 180,604.23 × 73,518.86
  4. Step 4: Simplify right side
    130,869.41x = 13,277,817,100.78
  5. Step 5: Solve for x
    x = 13,277,817,100.78/130,869.41
  6. Step 6: Final answer
    x = 101,458.52

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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.