Home / 329,127.20-493,655.40-223,191.14

Finding the Fourth Proportional to 329,127.20, 493,655.40 and 223,191.14

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Solution

The fourth proportional to 329,127.20, 493,655.40 and 223,191.14 is: 334,762.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,127.20 : 493,655.40 = 223,191.14 : x
  2. Step 2: Convert to fraction form
    329,127.20/493,655.40 = 223,191.14/x
  3. Step 3: Cross multiply
    329,127.20x = 493,655.40 × 223,191.14
  4. Step 4: Simplify right side
    329,127.20x = 110,179,509,024.88
  5. Step 5: Solve for x
    x = 110,179,509,024.88/329,127.20
  6. Step 6: Final answer
    x = 334,762.70

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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.