Home / 186,517.68-257,386.32-105,944.96

Finding the Fourth Proportional to 186,517.68, 257,386.32 and 105,944.96

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Solution

The fourth proportional to 186,517.68, 257,386.32 and 105,944.96 is: 146,199.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,517.68 : 257,386.32 = 105,944.96 : x
  2. Step 2: Convert to fraction form
    186,517.68/257,386.32 = 105,944.96/x
  3. Step 3: Cross multiply
    186,517.68x = 257,386.32 × 105,944.96
  4. Step 4: Simplify right side
    186,517.68x = 27,268,783,376.95
  5. Step 5: Solve for x
    x = 27,268,783,376.95/186,517.68
  6. Step 6: Final answer
    x = 146,199.46

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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.