Home / 152,774.75-229,168.34-72,771.59

Finding the Fourth Proportional to 152,774.75, 229,168.34 and 72,771.59

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Solution

The fourth proportional to 152,774.75, 229,168.34 and 72,771.59 is: 109,160.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,774.75 : 229,168.34 = 72,771.59 : x
  2. Step 2: Convert to fraction form
    152,774.75/229,168.34 = 72,771.59/x
  3. Step 3: Cross multiply
    152,774.75x = 229,168.34 × 72,771.59
  4. Step 4: Simplify right side
    152,774.75x = 16,676,944,115.60
  5. Step 5: Solve for x
    x = 16,676,944,115.60/152,774.75
  6. Step 6: Final answer
    x = 109,160.34

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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.