Home / 140,935.77-194,489.91-77,273.46

Finding the Fourth Proportional to 140,935.77, 194,489.91 and 77,273.46

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Solution

The fourth proportional to 140,935.77, 194,489.91 and 77,273.46 is: 106,636.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,935.77 : 194,489.91 = 77,273.46 : x
  2. Step 2: Convert to fraction form
    140,935.77/194,489.91 = 77,273.46/x
  3. Step 3: Cross multiply
    140,935.77x = 194,489.91 × 77,273.46
  4. Step 4: Simplify right side
    140,935.77x = 15,028,908,280.79
  5. Step 5: Solve for x
    x = 15,028,908,280.79/140,935.77
  6. Step 6: Final answer
    x = 106,636.58

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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.