Home / 107,219.68-160,881.92-75,831.45

Finding the Fourth Proportional to 107,219.68, 160,881.92 and 75,831.45

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Solution

The fourth proportional to 107,219.68, 160,881.92 and 75,831.45 is: 113,784.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,219.68 : 160,881.92 = 75,831.45 : x
  2. Step 2: Convert to fraction form
    107,219.68/160,881.92 = 75,831.45/x
  3. Step 3: Cross multiply
    107,219.68x = 160,881.92 × 75,831.45
  4. Step 4: Simplify right side
    107,219.68x = 12,199,909,272.38
  5. Step 5: Solve for x
    x = 12,199,909,272.38/107,219.68
  6. Step 6: Final answer
    x = 113,784.24

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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.