Home / 186,690.42-257,627.25-106,126.74

Finding the Fourth Proportional to 186,690.42, 257,627.25 and 106,126.74

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Solution

The fourth proportional to 186,690.42, 257,627.25 and 106,126.74 is: 146,451.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,690.42 : 257,627.25 = 106,126.74 : x
  2. Step 2: Convert to fraction form
    186,690.42/257,627.25 = 106,126.74/x
  3. Step 3: Cross multiply
    186,690.42x = 257,627.25 × 106,126.74
  4. Step 4: Simplify right side
    186,690.42x = 27,341,140,177.67
  5. Step 5: Solve for x
    x = 27,341,140,177.67/186,690.42
  6. Step 6: Final answer
    x = 146,451.76

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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.