Home / 109,338.30-164,007.45-98,840.70

Finding the Fourth Proportional to 109,338.30, 164,007.45 and 98,840.70

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Solution

The fourth proportional to 109,338.30, 164,007.45 and 98,840.70 is: 148,261.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,338.30 : 164,007.45 = 98,840.70 : x
  2. Step 2: Convert to fraction form
    109,338.30/164,007.45 = 98,840.70/x
  3. Step 3: Cross multiply
    109,338.30x = 164,007.45 × 98,840.70
  4. Step 4: Simplify right side
    109,338.30x = 16,210,611,163.22
  5. Step 5: Solve for x
    x = 16,210,611,163.22/109,338.30
  6. Step 6: Final answer
    x = 148,261.05

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1.5x scale

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.