Home / 186,268.32-257,042.64-105,694.20

Finding the Fourth Proportional to 186,268.32, 257,042.64 and 105,694.20

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Solution

The fourth proportional to 186,268.32, 257,042.64 and 105,694.20 is: 145,853.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,268.32 : 257,042.64 = 105,694.20 : x
  2. Step 2: Convert to fraction form
    186,268.32/257,042.64 = 105,694.20/x
  3. Step 3: Cross multiply
    186,268.32x = 257,042.64 × 105,694.20
  4. Step 4: Simplify right side
    186,268.32x = 27,167,916,200.69
  5. Step 5: Solve for x
    x = 27,167,916,200.69/186,268.32
  6. Step 6: Final answer
    x = 145,853.66

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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.