Home / 186,534.06-257,353.83-113,910.45

Finding the Fourth Proportional to 186,534.06, 257,353.83 and 113,910.45

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Solution

The fourth proportional to 186,534.06, 257,353.83 and 113,910.45 is: 157,157.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,534.06 : 257,353.83 = 113,910.45 : x
  2. Step 2: Convert to fraction form
    186,534.06/257,353.83 = 113,910.45/x
  3. Step 3: Cross multiply
    186,534.06x = 257,353.83 × 113,910.45
  4. Step 4: Simplify right side
    186,534.06x = 29,315,290,584.52
  5. Step 5: Solve for x
    x = 29,315,290,584.52/186,534.06
  6. Step 6: Final answer
    x = 157,157.84

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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.