Home / 152,772.75-229,165.34-72,769.59

Finding the Fourth Proportional to 152,772.75, 229,165.34 and 72,769.59

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Solution

The fourth proportional to 152,772.75, 229,165.34 and 72,769.59 is: 109,157.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,772.75 : 229,165.34 = 72,769.59 : x
  2. Step 2: Convert to fraction form
    152,772.75/229,165.34 = 72,769.59/x
  3. Step 3: Cross multiply
    152,772.75x = 229,165.34 × 72,769.59
  4. Step 4: Simplify right side
    152,772.75x = 16,676,267,470.16
  5. Step 5: Solve for x
    x = 16,676,267,470.16/152,772.75
  6. Step 6: Final answer
    x = 109,157.34

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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.