Home / 190,105.34-262,403.76-109,586.68

Finding the Fourth Proportional to 190,105.34, 262,403.76 and 109,586.68

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Solution

The fourth proportional to 190,105.34, 262,403.76 and 109,586.68 is: 151,263.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,105.34 : 262,403.76 = 109,586.68 : x
  2. Step 2: Convert to fraction form
    190,105.34/262,403.76 = 109,586.68/x
  3. Step 3: Cross multiply
    190,105.34x = 262,403.76 × 109,586.68
  4. Step 4: Simplify right side
    190,105.34x = 28,755,956,877.92
  5. Step 5: Solve for x
    x = 28,755,956,877.92/190,105.34
  6. Step 6: Final answer
    x = 151,263.28

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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.