Home / 190,213.92-262,496.97-105,332.76

Finding the Fourth Proportional to 190,213.92, 262,496.97 and 105,332.76

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Solution

The fourth proportional to 190,213.92, 262,496.97 and 105,332.76 is: 145,360.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,213.92 : 262,496.97 = 105,332.76 : x
  2. Step 2: Convert to fraction form
    190,213.92/262,496.97 = 105,332.76/x
  3. Step 3: Cross multiply
    190,213.92x = 262,496.97 × 105,332.76
  4. Step 4: Simplify right side
    190,213.92x = 27,649,530,341.74
  5. Step 5: Solve for x
    x = 27,649,530,341.74/190,213.92
  6. Step 6: Final answer
    x = 145,360.18

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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.