Home / 192,673.07-265,884.57-105,457.73

Finding the Fourth Proportional to 192,673.07, 265,884.57 and 105,457.73

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Solution

The fourth proportional to 192,673.07, 265,884.57 and 105,457.73 is: 145,529.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,673.07 : 265,884.57 = 105,457.73 : x
  2. Step 2: Convert to fraction form
    192,673.07/265,884.57 = 105,457.73/x
  3. Step 3: Cross multiply
    192,673.07x = 265,884.57 × 105,457.73
  4. Step 4: Simplify right side
    192,673.07x = 28,039,581,864.80
  5. Step 5: Solve for x
    x = 28,039,581,864.80/192,673.07
  6. Step 6: Final answer
    x = 145,529.33

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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.