Home / 190,329.75-262,663.66-105,446.81

Finding the Fourth Proportional to 190,329.75, 262,663.66 and 105,446.81

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Solution

The fourth proportional to 190,329.75, 262,663.66 and 105,446.81 is: 145,521.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,329.75 : 262,663.66 = 105,446.81 : x
  2. Step 2: Convert to fraction form
    190,329.75/262,663.66 = 105,446.81/x
  3. Step 3: Cross multiply
    190,329.75x = 262,663.66 × 105,446.81
  4. Step 4: Simplify right side
    190,329.75x = 27,697,045,838.39
  5. Step 5: Solve for x
    x = 27,697,045,838.39/190,329.75
  6. Step 6: Final answer
    x = 145,521.37

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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.