Home / 219,731.14-329,219.98-147,548.74

Finding the Fourth Proportional to 219,731.14, 329,219.98 and 147,548.74

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Solution

The fourth proportional to 219,731.14, 329,219.98 and 147,548.74 is: 221,070.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,731.14 : 329,219.98 = 147,548.74 : x
  2. Step 2: Convert to fraction form
    219,731.14/329,219.98 = 147,548.74/x
  3. Step 3: Cross multiply
    219,731.14x = 329,219.98 × 147,548.74
  4. Step 4: Simplify right side
    219,731.14x = 48,575,993,231.83
  5. Step 5: Solve for x
    x = 48,575,993,231.83/219,731.14
  6. Step 6: Final answer
    x = 221,070.14

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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.