Home / 140,601.02-194,029.40-76,938.82

Finding the Fourth Proportional to 140,601.02, 194,029.40 and 76,938.82

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Solution

The fourth proportional to 140,601.02, 194,029.40 and 76,938.82 is: 106,175.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,601.02 : 194,029.40 = 76,938.82 : x
  2. Step 2: Convert to fraction form
    140,601.02/194,029.40 = 76,938.82/x
  3. Step 3: Cross multiply
    140,601.02x = 194,029.40 × 76,938.82
  4. Step 4: Simplify right side
    140,601.02x = 14,928,393,081.31
  5. Step 5: Solve for x
    x = 14,928,393,081.31/140,601.02
  6. Step 6: Final answer
    x = 106,175.57

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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.