Home / 113,606.80-170,410.32-113,442.72

Finding the Fourth Proportional to 113,606.80, 170,410.32 and 113,442.72

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Solution

The fourth proportional to 113,606.80, 170,410.32 and 113,442.72 is: 170,164.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,606.80 : 170,410.32 = 113,442.72 : x
  2. Step 2: Convert to fraction form
    113,606.80/170,410.32 = 113,442.72/x
  3. Step 3: Cross multiply
    113,606.80x = 170,410.32 × 113,442.72
  4. Step 4: Simplify right side
    113,606.80x = 19,331,810,216.87
  5. Step 5: Solve for x
    x = 19,331,810,216.87/113,606.80
  6. Step 6: Final answer
    x = 170,164.20

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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.