Home / 186,440.56-257,286.66-101,557.62

Finding the Fourth Proportional to 186,440.56, 257,286.66 and 101,557.62

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Solution

The fourth proportional to 186,440.56, 257,286.66 and 101,557.62 is: 140,148.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,440.56 : 257,286.66 = 101,557.62 : x
  2. Step 2: Convert to fraction form
    186,440.56/257,286.66 = 101,557.62/x
  3. Step 3: Cross multiply
    186,440.56x = 257,286.66 × 101,557.62
  4. Step 4: Simplify right side
    186,440.56x = 26,129,420,847.35
  5. Step 5: Solve for x
    x = 26,129,420,847.35/186,440.56
  6. Step 6: Final answer
    x = 140,148.80

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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.