Home / 188,831.18-260,528.33-107,145.92

Finding the Fourth Proportional to 188,831.18, 260,528.33 and 107,145.92

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Solution

The fourth proportional to 188,831.18, 260,528.33 and 107,145.92 is: 147,828.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,831.18 : 260,528.33 = 107,145.92 : x
  2. Step 2: Convert to fraction form
    188,831.18/260,528.33 = 107,145.92/x
  3. Step 3: Cross multiply
    188,831.18x = 260,528.33 × 107,145.92
  4. Step 4: Simplify right side
    188,831.18x = 27,914,546,952.59
  5. Step 5: Solve for x
    x = 27,914,546,952.59/188,831.18
  6. Step 6: Final answer
    x = 147,828.06

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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.