Home / 152,492.12-228,649.68-57,729.62

Finding the Fourth Proportional to 152,492.12, 228,649.68 and 57,729.62

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Solution

The fourth proportional to 152,492.12, 228,649.68 and 57,729.62 is: 86,560.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,492.12 : 228,649.68 = 57,729.62 : x
  2. Step 2: Convert to fraction form
    152,492.12/228,649.68 = 57,729.62/x
  3. Step 3: Cross multiply
    152,492.12x = 228,649.68 × 57,729.62
  4. Step 4: Simplify right side
    152,492.12x = 13,199,857,996.27
  5. Step 5: Solve for x
    x = 13,199,857,996.27/152,492.12
  6. Step 6: Final answer
    x = 86,560.92

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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.