Home / 150,844.08-208,117.96-87,158.64

Finding the Fourth Proportional to 150,844.08, 208,117.96 and 87,158.64

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Solution

The fourth proportional to 150,844.08, 208,117.96 and 87,158.64 is: 120,251.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,844.08 : 208,117.96 = 87,158.64 : x
  2. Step 2: Convert to fraction form
    150,844.08/208,117.96 = 87,158.64/x
  3. Step 3: Cross multiply
    150,844.08x = 208,117.96 × 87,158.64
  4. Step 4: Simplify right side
    150,844.08x = 18,139,278,353.17
  5. Step 5: Solve for x
    x = 18,139,278,353.17/150,844.08
  6. Step 6: Final answer
    x = 120,251.84

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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.