Home / 150,921.36-208,254.69-120,695.67

Finding the Fourth Proportional to 150,921.36, 208,254.69 and 120,695.67

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Solution

The fourth proportional to 150,921.36, 208,254.69 and 120,695.67 is: 166,546.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,921.36 : 208,254.69 = 120,695.67 : x
  2. Step 2: Convert to fraction form
    150,921.36/208,254.69 = 120,695.67/x
  3. Step 3: Cross multiply
    150,921.36x = 208,254.69 × 120,695.67
  4. Step 4: Simplify right side
    150,921.36x = 25,135,439,340.19
  5. Step 5: Solve for x
    x = 25,135,439,340.19/150,921.36
  6. Step 6: Final answer
    x = 166,546.60

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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.