Home / 190,831.40-286,002.30-106,591.40

Finding the Fourth Proportional to 190,831.40, 286,002.30 and 106,591.40

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Solution

The fourth proportional to 190,831.40, 286,002.30 and 106,591.40 is: 159,750.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,831.40 : 286,002.30 = 106,591.40 : x
  2. Step 2: Convert to fraction form
    190,831.40/286,002.30 = 106,591.40/x
  3. Step 3: Cross multiply
    190,831.40x = 286,002.30 × 106,591.40
  4. Step 4: Simplify right side
    190,831.40x = 30,485,385,560.22
  5. Step 5: Solve for x
    x = 30,485,385,560.22/190,831.40
  6. Step 6: Final answer
    x = 159,750.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.