Home / 109,973.40-164,960.10-102,600.60

Finding the Fourth Proportional to 109,973.40, 164,960.10 and 102,600.60

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Solution

The fourth proportional to 109,973.40, 164,960.10 and 102,600.60 is: 153,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,973.40 : 164,960.10 = 102,600.60 : x
  2. Step 2: Convert to fraction form
    109,973.40/164,960.10 = 102,600.60/x
  3. Step 3: Cross multiply
    109,973.40x = 164,960.10 × 102,600.60
  4. Step 4: Simplify right side
    109,973.40x = 16,925,005,236.06
  5. Step 5: Solve for x
    x = 16,925,005,236.06/109,973.40
  6. Step 6: Final answer
    x = 153,900.90

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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.