Home / 186,997.14-258,074.72-111,545.64

Finding the Fourth Proportional to 186,997.14, 258,074.72 and 111,545.64

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Solution

The fourth proportional to 186,997.14, 258,074.72 and 111,545.64 is: 153,944.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,997.14 : 258,074.72 = 111,545.64 : x
  2. Step 2: Convert to fraction form
    186,997.14/258,074.72 = 111,545.64/x
  3. Step 3: Cross multiply
    186,997.14x = 258,074.72 × 111,545.64
  4. Step 4: Simplify right side
    186,997.14x = 28,787,109,810.22
  5. Step 5: Solve for x
    x = 28,787,109,810.22/186,997.14
  6. Step 6: Final answer
    x = 153,944.12

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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.