Home / 116,035.20-173,822.40-69,148.80

Finding the Fourth Proportional to 116,035.20, 173,822.40 and 69,148.80

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Solution

The fourth proportional to 116,035.20, 173,822.40 and 69,148.80 is: 103,585.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,035.20 : 173,822.40 = 69,148.80 : x
  2. Step 2: Convert to fraction form
    116,035.20/173,822.40 = 69,148.80/x
  3. Step 3: Cross multiply
    116,035.20x = 173,822.40 × 69,148.80
  4. Step 4: Simplify right side
    116,035.20x = 12,019,610,373.12
  5. Step 5: Solve for x
    x = 12,019,610,373.12/116,035.20
  6. Step 6: Final answer
    x = 103,585.90

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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.