Home / 180,030.72-269,811.20-96,826.88

Finding the Fourth Proportional to 180,030.72, 269,811.20 and 96,826.88

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Solution

The fourth proportional to 180,030.72, 269,811.20 and 96,826.88 is: 145,113.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,030.72 : 269,811.20 = 96,826.88 : x
  2. Step 2: Convert to fraction form
    180,030.72/269,811.20 = 96,826.88/x
  3. Step 3: Cross multiply
    180,030.72x = 269,811.20 × 96,826.88
  4. Step 4: Simplify right side
    180,030.72x = 26,124,976,685.06
  5. Step 5: Solve for x
    x = 26,124,976,685.06/180,030.72
  6. Step 6: Final answer
    x = 145,113.99

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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.