Home / 140,603.02-194,032.16-76,940.82

Finding the Fourth Proportional to 140,603.02, 194,032.16 and 76,940.82

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Solution

The fourth proportional to 140,603.02, 194,032.16 and 76,940.82 is: 106,178.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,603.02 : 194,032.16 = 76,940.82 : x
  2. Step 2: Convert to fraction form
    140,603.02/194,032.16 = 76,940.82/x
  3. Step 3: Cross multiply
    140,603.02x = 194,032.16 × 76,940.82
  4. Step 4: Simplify right side
    140,603.02x = 14,928,993,496.77
  5. Step 5: Solve for x
    x = 14,928,993,496.77/140,603.02
  6. Step 6: Final answer
    x = 106,178.33

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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.