Home / 219,877.10-329,815.65-149,018.30

Finding the Fourth Proportional to 219,877.10, 329,815.65 and 149,018.30

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Solution

The fourth proportional to 219,877.10, 329,815.65 and 149,018.30 is: 223,527.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,877.10 : 329,815.65 = 149,018.30 : x
  2. Step 2: Convert to fraction form
    219,877.10/329,815.65 = 149,018.30/x
  3. Step 3: Cross multiply
    219,877.10x = 329,815.65 × 149,018.30
  4. Step 4: Simplify right side
    219,877.10x = 49,148,567,476.40
  5. Step 5: Solve for x
    x = 49,148,567,476.40/219,877.10
  6. Step 6: Final answer
    x = 223,527.45

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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.