Home / 135,725.04-203,601.51-46,978.40

Finding the Fourth Proportional to 135,725.04, 203,601.51 and 46,978.40

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Solution

The fourth proportional to 135,725.04, 203,601.51 and 46,978.40 is: 70,472.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,725.04 : 203,601.51 = 46,978.40 : x
  2. Step 2: Convert to fraction form
    135,725.04/203,601.51 = 46,978.40/x
  3. Step 3: Cross multiply
    135,725.04x = 203,601.51 × 46,978.40
  4. Step 4: Simplify right side
    135,725.04x = 9,564,873,177.38
  5. Step 5: Solve for x
    x = 9,564,873,177.38/135,725.04
  6. Step 6: Final answer
    x = 70,472.43

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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.