Home / 186,016.89-256,705.11-101,135.76

Finding the Fourth Proportional to 186,016.89, 256,705.11 and 101,135.76

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Solution

The fourth proportional to 186,016.89, 256,705.11 and 101,135.76 is: 139,568.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,016.89 : 256,705.11 = 101,135.76 : x
  2. Step 2: Convert to fraction form
    186,016.89/256,705.11 = 101,135.76/x
  3. Step 3: Cross multiply
    186,016.89x = 256,705.11 × 101,135.76
  4. Step 4: Simplify right side
    186,016.89x = 25,962,066,395.73
  5. Step 5: Solve for x
    x = 25,962,066,395.73/186,016.89
  6. Step 6: Final answer
    x = 139,568.33

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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.