Home / 140,629.02-194,072.68-76,966.82

Finding the Fourth Proportional to 140,629.02, 194,072.68 and 76,966.82

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Solution

The fourth proportional to 140,629.02, 194,072.68 and 76,966.82 is: 106,216.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,629.02 : 194,072.68 = 76,966.82 : x
  2. Step 2: Convert to fraction form
    140,629.02/194,072.68 = 76,966.82/x
  3. Step 3: Cross multiply
    140,629.02x = 194,072.68 × 76,966.82
  4. Step 4: Simplify right side
    140,629.02x = 14,937,156,882.10
  5. Step 5: Solve for x
    x = 14,937,156,882.10/140,629.02
  6. Step 6: Final answer
    x = 106,216.74

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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.