Home / 237,930.19-328,371.09-142,436.86

Finding the Fourth Proportional to 237,930.19, 328,371.09 and 142,436.86

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Solution

The fourth proportional to 237,930.19, 328,371.09 and 142,436.86 is: 196,579.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,930.19 : 328,371.09 = 142,436.86 : x
  2. Step 2: Convert to fraction form
    237,930.19/328,371.09 = 142,436.86/x
  3. Step 3: Cross multiply
    237,930.19x = 328,371.09 × 142,436.86
  4. Step 4: Simplify right side
    237,930.19x = 46,772,146,974.38
  5. Step 5: Solve for x
    x = 46,772,146,974.38/237,930.19
  6. Step 6: Final answer
    x = 196,579.29

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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.