Home / 354,583.20-531,923.40-117,901.20

Finding the Fourth Proportional to 354,583.20, 531,923.40 and 117,901.20

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Solution

The fourth proportional to 354,583.20, 531,923.40 and 117,901.20 is: 176,867.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,583.20 : 531,923.40 = 117,901.20 : x
  2. Step 2: Convert to fraction form
    354,583.20/531,923.40 = 117,901.20/x
  3. Step 3: Cross multiply
    354,583.20x = 531,923.40 × 117,901.20
  4. Step 4: Simplify right side
    354,583.20x = 62,714,407,168.08
  5. Step 5: Solve for x
    x = 62,714,407,168.08/354,583.20
  6. Step 6: Final answer
    x = 176,867.96

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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.