Home / 116,723.20-175,084.80-72,436.45

Finding the Fourth Proportional to 116,723.20, 175,084.80 and 72,436.45

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Solution

The fourth proportional to 116,723.20, 175,084.80 and 72,436.45 is: 108,654.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,723.20 : 175,084.80 = 72,436.45 : x
  2. Step 2: Convert to fraction form
    116,723.20/175,084.80 = 72,436.45/x
  3. Step 3: Cross multiply
    116,723.20x = 175,084.80 × 72,436.45
  4. Step 4: Simplify right side
    116,723.20x = 12,682,521,360.96
  5. Step 5: Solve for x
    x = 12,682,521,360.96/116,723.20
  6. Step 6: Final answer
    x = 108,654.68

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1.5x scale

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.