Home / 331,146.42-456,969.38-187,897.92

Finding the Fourth Proportional to 331,146.42, 456,969.38 and 187,897.92

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Solution

The fourth proportional to 331,146.42, 456,969.38 and 187,897.92 is: 259,291.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,146.42 : 456,969.38 = 187,897.92 : x
  2. Step 2: Convert to fraction form
    331,146.42/456,969.38 = 187,897.92/x
  3. Step 3: Cross multiply
    331,146.42x = 456,969.38 × 187,897.92
  4. Step 4: Simplify right side
    331,146.42x = 85,863,596,005.69
  5. Step 5: Solve for x
    x = 85,863,596,005.69/331,146.42
  6. Step 6: Final answer
    x = 259,291.93

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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.