Home / 331,590.36-457,595.28-180,687.36

Finding the Fourth Proportional to 331,590.36, 457,595.28 and 180,687.36

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Solution

The fourth proportional to 331,590.36, 457,595.28 and 180,687.36 is: 249,348.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,590.36 : 457,595.28 = 180,687.36 : x
  2. Step 2: Convert to fraction form
    331,590.36/457,595.28 = 180,687.36/x
  3. Step 3: Cross multiply
    331,590.36x = 457,595.28 × 180,687.36
  4. Step 4: Simplify right side
    331,590.36x = 82,681,683,091.66
  5. Step 5: Solve for x
    x = 82,681,683,091.66/331,590.36
  6. Step 6: Final answer
    x = 249,348.87

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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.