Home / 150,148.32-207,201.76-83,080.32

Finding the Fourth Proportional to 150,148.32, 207,201.76 and 83,080.32

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Solution

The fourth proportional to 150,148.32, 207,201.76 and 83,080.32 is: 114,649.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,148.32 : 207,201.76 = 83,080.32 : x
  2. Step 2: Convert to fraction form
    150,148.32/207,201.76 = 83,080.32/x
  3. Step 3: Cross multiply
    150,148.32x = 207,201.76 × 83,080.32
  4. Step 4: Simplify right side
    150,148.32x = 17,214,388,525.36
  5. Step 5: Solve for x
    x = 17,214,388,525.36/150,148.32
  6. Step 6: Final answer
    x = 114,649.23

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1.5x scale

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.