Home / 228,492.08-343,346.40-214,127.15

Finding the Fourth Proportional to 228,492.08, 343,346.40 and 214,127.15

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Solution

The fourth proportional to 228,492.08, 343,346.40 and 214,127.15 is: 321,760.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,492.08 : 343,346.40 = 214,127.15 : x
  2. Step 2: Convert to fraction form
    228,492.08/343,346.40 = 214,127.15/x
  3. Step 3: Cross multiply
    228,492.08x = 343,346.40 × 214,127.15
  4. Step 4: Simplify right side
    228,492.08x = 73,519,786,094.76
  5. Step 5: Solve for x
    x = 73,519,786,094.76/228,492.08
  6. Step 6: Final answer
    x = 321,760.76

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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.