Home / 304,917.98-457,449.65-105,240.11

Finding the Fourth Proportional to 304,917.98, 457,449.65 and 105,240.11

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Solution

The fourth proportional to 304,917.98, 457,449.65 and 105,240.11 is: 157,885.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,917.98 : 457,449.65 = 105,240.11 : x
  2. Step 2: Convert to fraction form
    304,917.98/457,449.65 = 105,240.11/x
  3. Step 3: Cross multiply
    304,917.98x = 457,449.65 × 105,240.11
  4. Step 4: Simplify right side
    304,917.98x = 48,142,048,672.01
  5. Step 5: Solve for x
    x = 48,142,048,672.01/304,917.98
  6. Step 6: Final answer
    x = 157,885.24

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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.