Home / 113,836.30-170,754.45-112,086.70

Finding the Fourth Proportional to 113,836.30, 170,754.45 and 112,086.70

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Solution

The fourth proportional to 113,836.30, 170,754.45 and 112,086.70 is: 168,130.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,836.30 : 170,754.45 = 112,086.70 : x
  2. Step 2: Convert to fraction form
    113,836.30/170,754.45 = 112,086.70/x
  3. Step 3: Cross multiply
    113,836.30x = 170,754.45 × 112,086.70
  4. Step 4: Simplify right side
    113,836.30x = 19,139,302,810.82
  5. Step 5: Solve for x
    x = 19,139,302,810.82/113,836.30
  6. Step 6: Final answer
    x = 168,130.05

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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.