Home / 205,831.10-308,746.29-106,019.83

Finding the Fourth Proportional to 205,831.10, 308,746.29 and 106,019.83

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Solution

The fourth proportional to 205,831.10, 308,746.29 and 106,019.83 is: 159,029.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,831.10 : 308,746.29 = 106,019.83 : x
  2. Step 2: Convert to fraction form
    205,831.10/308,746.29 = 106,019.83/x
  3. Step 3: Cross multiply
    205,831.10x = 308,746.29 × 106,019.83
  4. Step 4: Simplify right side
    205,831.10x = 32,733,227,635.20
  5. Step 5: Solve for x
    x = 32,733,227,635.20/205,831.10
  6. Step 6: Final answer
    x = 159,029.55

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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.