Home / 188,631.68-260,319.96-103,751.84

Finding the Fourth Proportional to 188,631.68, 260,319.96 and 103,751.84

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Solution

The fourth proportional to 188,631.68, 260,319.96 and 103,751.84 is: 143,182.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,631.68 : 260,319.96 = 103,751.84 : x
  2. Step 2: Convert to fraction form
    188,631.68/260,319.96 = 103,751.84/x
  3. Step 3: Cross multiply
    188,631.68x = 260,319.96 × 103,751.84
  4. Step 4: Simplify right side
    188,631.68x = 27,008,674,838.73
  5. Step 5: Solve for x
    x = 27,008,674,838.73/188,631.68
  6. Step 6: Final answer
    x = 143,182.07

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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.