Home / 113,441.70-169,216.64-109,554.30

Finding the Fourth Proportional to 113,441.70, 169,216.64 and 109,554.30

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Solution

The fourth proportional to 113,441.70, 169,216.64 and 109,554.30 is: 163,417.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,441.70 : 169,216.64 = 109,554.30 : x
  2. Step 2: Convert to fraction form
    113,441.70/169,216.64 = 109,554.30/x
  3. Step 3: Cross multiply
    113,441.70x = 169,216.64 × 109,554.30
  4. Step 4: Simplify right side
    113,441.70x = 18,538,410,543.55
  5. Step 5: Solve for x
    x = 18,538,410,543.55/113,441.70
  6. Step 6: Final answer
    x = 163,417.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.