Home / 140,213.00-193,492.94-76,550.79

Finding the Fourth Proportional to 140,213.00, 193,492.94 and 76,550.79

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Solution

The fourth proportional to 140,213.00, 193,492.94 and 76,550.79 is: 105,639.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,213.00 : 193,492.94 = 76,550.79 : x
  2. Step 2: Convert to fraction form
    140,213.00/193,492.94 = 76,550.79/x
  3. Step 3: Cross multiply
    140,213.00x = 193,492.94 × 76,550.79
  4. Step 4: Simplify right side
    140,213.00x = 14,812,038,046.33
  5. Step 5: Solve for x
    x = 14,812,038,046.33/140,213.00
  6. Step 6: Final answer
    x = 105,639.55

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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.