Home / 179,730.40-248,107.50-116,099.20

Finding the Fourth Proportional to 179,730.40, 248,107.50 and 116,099.20

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Solution

The fourth proportional to 179,730.40, 248,107.50 and 116,099.20 is: 160,268.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,730.40 : 248,107.50 = 116,099.20 : x
  2. Step 2: Convert to fraction form
    179,730.40/248,107.50 = 116,099.20/x
  3. Step 3: Cross multiply
    179,730.40x = 248,107.50 × 116,099.20
  4. Step 4: Simplify right side
    179,730.40x = 28,805,082,264
  5. Step 5: Solve for x
    x = 28,805,082,264/179,730.40
  6. Step 6: Final answer
    x = 160,268.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.