Home / 109,619.10-164,100.60-97,809.30

Finding the Fourth Proportional to 109,619.10, 164,100.60 and 97,809.30

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Solution

The fourth proportional to 109,619.10, 164,100.60 and 97,809.30 is: 146,421.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,619.10 : 164,100.60 = 97,809.30 : x
  2. Step 2: Convert to fraction form
    109,619.10/164,100.60 = 97,809.30/x
  3. Step 3: Cross multiply
    109,619.10x = 164,100.60 × 97,809.30
  4. Step 4: Simplify right side
    109,619.10x = 16,050,564,815.58
  5. Step 5: Solve for x
    x = 16,050,564,815.58/109,619.10
  6. Step 6: Final answer
    x = 146,421.24

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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.