Home / 116,864.40-175,296.60-72,346.80

Finding the Fourth Proportional to 116,864.40, 175,296.60 and 72,346.80

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Solution

The fourth proportional to 116,864.40, 175,296.60 and 72,346.80 is: 108,520.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,864.40 : 175,296.60 = 72,346.80 : x
  2. Step 2: Convert to fraction form
    116,864.40/175,296.60 = 72,346.80/x
  3. Step 3: Cross multiply
    116,864.40x = 175,296.60 × 72,346.80
  4. Step 4: Simplify right side
    116,864.40x = 12,682,148,060.88
  5. Step 5: Solve for x
    x = 12,682,148,060.88/116,864.40
  6. Step 6: Final answer
    x = 108,520.20

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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.