Home / 119,949.60-179,809.20-93,280.80

Finding the Fourth Proportional to 119,949.60, 179,809.20 and 93,280.80

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Solution

The fourth proportional to 119,949.60, 179,809.20 and 93,280.80 is: 139,831.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,949.60 : 179,809.20 = 93,280.80 : x
  2. Step 2: Convert to fraction form
    119,949.60/179,809.20 = 93,280.80/x
  3. Step 3: Cross multiply
    119,949.60x = 179,809.20 × 93,280.80
  4. Step 4: Simplify right side
    119,949.60x = 16,772,746,023.36
  5. Step 5: Solve for x
    x = 16,772,746,023.36/119,949.60
  6. Step 6: Final answer
    x = 139,831.61

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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.