Home / 190,419.68-262,807.13-109,831.46

Finding the Fourth Proportional to 190,419.68, 262,807.13 and 109,831.46

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Solution

The fourth proportional to 190,419.68, 262,807.13 and 109,831.46 is: 151,583.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,419.68 : 262,807.13 = 109,831.46 : x
  2. Step 2: Convert to fraction form
    190,419.68/262,807.13 = 109,831.46/x
  3. Step 3: Cross multiply
    190,419.68x = 262,807.13 × 109,831.46
  4. Step 4: Simplify right side
    190,419.68x = 28,864,488,923.12
  5. Step 5: Solve for x
    x = 28,864,488,923.12/190,419.68
  6. Step 6: Final answer
    x = 151,583.54

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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.