Home / 330,507.14-495,772.46-105,838.38

Finding the Fourth Proportional to 330,507.14, 495,772.46 and 105,838.38

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Solution

The fourth proportional to 330,507.14, 495,772.46 and 105,838.38 is: 158,761.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,507.14 : 495,772.46 = 105,838.38 : x
  2. Step 2: Convert to fraction form
    330,507.14/495,772.46 = 105,838.38/x
  3. Step 3: Cross multiply
    330,507.14x = 495,772.46 × 105,838.38
  4. Step 4: Simplify right side
    330,507.14x = 52,471,754,478.06
  5. Step 5: Solve for x
    x = 52,471,754,478.06/330,507.14
  6. Step 6: Final answer
    x = 158,761.34

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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.