Home / 237,977.12-328,406.64-130,546.42

Finding the Fourth Proportional to 237,977.12, 328,406.64 and 130,546.42

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Solution

The fourth proportional to 237,977.12, 328,406.64 and 130,546.42 is: 180,153.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,977.12 : 328,406.64 = 130,546.42 : x
  2. Step 2: Convert to fraction form
    237,977.12/328,406.64 = 130,546.42/x
  3. Step 3: Cross multiply
    237,977.12x = 328,406.64 × 130,546.42
  4. Step 4: Simplify right side
    237,977.12x = 42,872,309,845.66
  5. Step 5: Solve for x
    x = 42,872,309,845.66/237,977.12
  6. Step 6: Final answer
    x = 180,153.07

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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.