Home / 116,039.20-173,828.40-69,152.80

Finding the Fourth Proportional to 116,039.20, 173,828.40 and 69,152.80

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Solution

The fourth proportional to 116,039.20, 173,828.40 and 69,152.80 is: 103,591.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,039.20 : 173,828.40 = 69,152.80 : x
  2. Step 2: Convert to fraction form
    116,039.20/173,828.40 = 69,152.80/x
  3. Step 3: Cross multiply
    116,039.20x = 173,828.40 × 69,152.80
  4. Step 4: Simplify right side
    116,039.20x = 12,020,720,579.52
  5. Step 5: Solve for x
    x = 12,020,720,579.52/116,039.20
  6. Step 6: Final answer
    x = 103,591.89

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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.