Home / 188,555.43-260,191.08-111,018.81

Finding the Fourth Proportional to 188,555.43, 260,191.08 and 111,018.81

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Solution

The fourth proportional to 188,555.43, 260,191.08 and 111,018.81 is: 153,196.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,555.43 : 260,191.08 = 111,018.81 : x
  2. Step 2: Convert to fraction form
    188,555.43/260,191.08 = 111,018.81/x
  3. Step 3: Cross multiply
    188,555.43x = 260,191.08 × 111,018.81
  4. Step 4: Simplify right side
    188,555.43x = 28,886,104,074.21
  5. Step 5: Solve for x
    x = 28,886,104,074.21/188,555.43
  6. Step 6: Final answer
    x = 153,196.88

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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.