Home / 475,769.52-713,584.56-138,719.64

Finding the Fourth Proportional to 475,769.52, 713,584.56 and 138,719.64

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Solution

The fourth proportional to 475,769.52, 713,584.56 and 138,719.64 is: 208,059.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,769.52 : 713,584.56 = 138,719.64 : x
  2. Step 2: Convert to fraction form
    475,769.52/713,584.56 = 138,719.64/x
  3. Step 3: Cross multiply
    475,769.52x = 713,584.56 × 138,719.64
  4. Step 4: Simplify right side
    475,769.52x = 98,988,193,272.76
  5. Step 5: Solve for x
    x = 98,988,193,272.76/475,769.52
  6. Step 6: Final answer
    x = 208,059.13

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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.