Home / 118,624.40-177,677.40-92,121.20

Finding the Fourth Proportional to 118,624.40, 177,677.40 and 92,121.20

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Solution

The fourth proportional to 118,624.40, 177,677.40 and 92,121.20 is: 137,980.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,624.40 : 177,677.40 = 92,121.20 : x
  2. Step 2: Convert to fraction form
    118,624.40/177,677.40 = 92,121.20/x
  3. Step 3: Cross multiply
    118,624.40x = 177,677.40 × 92,121.20
  4. Step 4: Simplify right side
    118,624.40x = 16,367,855,300.88
  5. Step 5: Solve for x
    x = 16,367,855,300.88/118,624.40
  6. Step 6: Final answer
    x = 137,980.51

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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.