Home / 186,770.28-257,755.17-106,205.32

Finding the Fourth Proportional to 186,770.28, 257,755.17 and 106,205.32

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Solution

The fourth proportional to 186,770.28, 257,755.17 and 106,205.32 is: 146,570.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,770.28 : 257,755.17 = 106,205.32 : x
  2. Step 2: Convert to fraction form
    186,770.28/257,755.17 = 106,205.32/x
  3. Step 3: Cross multiply
    186,770.28x = 257,755.17 × 106,205.32
  4. Step 4: Simplify right side
    186,770.28x = 27,374,970,311.50
  5. Step 5: Solve for x
    x = 27,374,970,311.50/186,770.28
  6. Step 6: Final answer
    x = 146,570.27

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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.