Home / 331,789.71-457,869.53-180,886.71

Finding the Fourth Proportional to 331,789.71, 457,869.53 and 180,886.71

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Solution

The fourth proportional to 331,789.71, 457,869.53 and 180,886.71 is: 249,623.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,789.71 : 457,869.53 = 180,886.71 : x
  2. Step 2: Convert to fraction form
    331,789.71/457,869.53 = 180,886.71/x
  3. Step 3: Cross multiply
    331,789.71x = 457,869.53 × 180,886.71
  4. Step 4: Simplify right side
    331,789.71x = 82,822,512,890.95
  5. Step 5: Solve for x
    x = 82,822,512,890.95/331,789.71
  6. Step 6: Final answer
    x = 249,623.51

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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.