Home / 237,940.66-328,352.45-130,509.75

Finding the Fourth Proportional to 237,940.66, 328,352.45 and 130,509.75

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Solution

The fourth proportional to 237,940.66, 328,352.45 and 130,509.75 is: 180,100.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,940.66 : 328,352.45 = 130,509.75 : x
  2. Step 2: Convert to fraction form
    237,940.66/328,352.45 = 130,509.75/x
  3. Step 3: Cross multiply
    237,940.66x = 328,352.45 × 130,509.75
  4. Step 4: Simplify right side
    237,940.66x = 42,853,196,161.39
  5. Step 5: Solve for x
    x = 42,853,196,161.39/237,940.66
  6. Step 6: Final answer
    x = 180,100.35

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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.