Home / 152,774.44-229,167.87-72,771.28

Finding the Fourth Proportional to 152,774.44, 229,167.87 and 72,771.28

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Solution

The fourth proportional to 152,774.44, 229,167.87 and 72,771.28 is: 109,159.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,774.44 : 229,167.87 = 72,771.28 : x
  2. Step 2: Convert to fraction form
    152,774.44/229,167.87 = 72,771.28/x
  3. Step 3: Cross multiply
    152,774.44x = 229,167.87 × 72,771.28
  4. Step 4: Simplify right side
    152,774.44x = 16,676,838,388.96
  5. Step 5: Solve for x
    x = 16,676,838,388.96/152,774.44
  6. Step 6: Final answer
    x = 109,159.87

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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.