Home / 207,202.40-310,725.48-66,923.36

Finding the Fourth Proportional to 207,202.40, 310,725.48 and 66,923.36

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Solution

The fourth proportional to 207,202.40, 310,725.48 and 66,923.36 is: 100,359.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,202.40 : 310,725.48 = 66,923.36 : x
  2. Step 2: Convert to fraction form
    207,202.40/310,725.48 = 66,923.36/x
  3. Step 3: Cross multiply
    207,202.40x = 310,725.48 × 66,923.36
  4. Step 4: Simplify right side
    207,202.40x = 20,794,793,159.21
  5. Step 5: Solve for x
    x = 20,794,793,159.21/207,202.40
  6. Step 6: Final answer
    x = 100,359.81

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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.