Home / 161,856.15-242,831.60-83,025.33

Finding the Fourth Proportional to 161,856.15, 242,831.60 and 83,025.33

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Solution

The fourth proportional to 161,856.15, 242,831.60 and 83,025.33 is: 124,562.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,856.15 : 242,831.60 = 83,025.33 : x
  2. Step 2: Convert to fraction form
    161,856.15/242,831.60 = 83,025.33/x
  3. Step 3: Cross multiply
    161,856.15x = 242,831.60 × 83,025.33
  4. Step 4: Simplify right side
    161,856.15x = 20,161,173,724.43
  5. Step 5: Solve for x
    x = 20,161,173,724.43/161,856.15
  6. Step 6: Final answer
    x = 124,562.30

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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.