Home / 237,935.70-328,378.71-142,442.34

Finding the Fourth Proportional to 237,935.70, 328,378.71 and 142,442.34

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Solution

The fourth proportional to 237,935.70, 328,378.71 and 142,442.34 is: 196,586.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,935.70 : 328,378.71 = 142,442.34 : x
  2. Step 2: Convert to fraction form
    237,935.70/328,378.71 = 142,442.34/x
  3. Step 3: Cross multiply
    237,935.70x = 328,378.71 × 142,442.34
  4. Step 4: Simplify right side
    237,935.70x = 46,775,031,858.58
  5. Step 5: Solve for x
    x = 46,775,031,858.58/237,935.70
  6. Step 6: Final answer
    x = 196,586.86

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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.