Home / 190,365.46-262,705.89-105,483.94

Finding the Fourth Proportional to 190,365.46, 262,705.89 and 105,483.94

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Solution

The fourth proportional to 190,365.46, 262,705.89 and 105,483.94 is: 145,568.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,365.46 : 262,705.89 = 105,483.94 : x
  2. Step 2: Convert to fraction form
    190,365.46/262,705.89 = 105,483.94/x
  3. Step 3: Cross multiply
    190,365.46x = 262,705.89 × 105,483.94
  4. Step 4: Simplify right side
    190,365.46x = 27,711,252,338.41
  5. Step 5: Solve for x
    x = 27,711,252,338.41/190,365.46
  6. Step 6: Final answer
    x = 145,568.70

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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.