Home / 140,338.36-193,664.67-76,674.79

Finding the Fourth Proportional to 140,338.36, 193,664.67 and 76,674.79

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Solution

The fourth proportional to 140,338.36, 193,664.67 and 76,674.79 is: 105,809.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,338.36 : 193,664.67 = 76,674.79 : x
  2. Step 2: Convert to fraction form
    140,338.36/193,664.67 = 76,674.79/x
  3. Step 3: Cross multiply
    140,338.36x = 193,664.67 × 76,674.79
  4. Step 4: Simplify right side
    140,338.36x = 14,849,196,934.35
  5. Step 5: Solve for x
    x = 14,849,196,934.35/140,338.36
  6. Step 6: Final answer
    x = 105,809.97

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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.