Home / 150,549.89-207,237.39-130,122.64

Finding the Fourth Proportional to 150,549.89, 207,237.39 and 130,122.64

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Solution

The fourth proportional to 150,549.89, 207,237.39 and 130,122.64 is: 179,118.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,549.89 : 207,237.39 = 130,122.64 : x
  2. Step 2: Convert to fraction form
    150,549.89/207,237.39 = 130,122.64/x
  3. Step 3: Cross multiply
    150,549.89x = 207,237.39 × 130,122.64
  4. Step 4: Simplify right side
    150,549.89x = 26,966,276,293.51
  5. Step 5: Solve for x
    x = 26,966,276,293.51/150,549.89
  6. Step 6: Final answer
    x = 179,118.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.