Home / 186,973.37-257,892.32-126,517.40

Finding the Fourth Proportional to 186,973.37, 257,892.32 and 126,517.40

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Solution

The fourth proportional to 186,973.37, 257,892.32 and 126,517.40 is: 174,505.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,973.37 : 257,892.32 = 126,517.40 : x
  2. Step 2: Convert to fraction form
    186,973.37/257,892.32 = 126,517.40/x
  3. Step 3: Cross multiply
    186,973.37x = 257,892.32 × 126,517.40
  4. Step 4: Simplify right side
    186,973.37x = 32,627,865,806.37
  5. Step 5: Solve for x
    x = 32,627,865,806.37/186,973.37
  6. Step 6: Final answer
    x = 174,505.42

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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.