Home / 117,935.80-176,903.70-113,270.20

Finding the Fourth Proportional to 117,935.80, 176,903.70 and 113,270.20

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Solution

The fourth proportional to 117,935.80, 176,903.70 and 113,270.20 is: 169,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,935.80 : 176,903.70 = 113,270.20 : x
  2. Step 2: Convert to fraction form
    117,935.80/176,903.70 = 113,270.20/x
  3. Step 3: Cross multiply
    117,935.80x = 176,903.70 × 113,270.20
  4. Step 4: Simplify right side
    117,935.80x = 20,037,917,479.74
  5. Step 5: Solve for x
    x = 20,037,917,479.74/117,935.80
  6. Step 6: Final answer
    x = 169,905.30

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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.