Home / 116,210.30-174,315.45-109,211.90

Finding the Fourth Proportional to 116,210.30, 174,315.45 and 109,211.90

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Solution

The fourth proportional to 116,210.30, 174,315.45 and 109,211.90 is: 163,817.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,210.30 : 174,315.45 = 109,211.90 : x
  2. Step 2: Convert to fraction form
    116,210.30/174,315.45 = 109,211.90/x
  3. Step 3: Cross multiply
    116,210.30x = 174,315.45 × 109,211.90
  4. Step 4: Simplify right side
    116,210.30x = 19,037,321,493.86
  5. Step 5: Solve for x
    x = 19,037,321,493.86/116,210.30
  6. Step 6: Final answer
    x = 163,817.85

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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.