Home / 109,645.04-151,312.92-67,226.96

Finding the Fourth Proportional to 109,645.04, 151,312.92 and 67,226.96

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Solution

The fourth proportional to 109,645.04, 151,312.92 and 67,226.96 is: 92,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,645.04 : 151,312.92 = 67,226.96 : x
  2. Step 2: Convert to fraction form
    109,645.04/151,312.92 = 67,226.96/x
  3. Step 3: Cross multiply
    109,645.04x = 151,312.92 × 67,226.96
  4. Step 4: Simplify right side
    109,645.04x = 10,172,307,620.32
  5. Step 5: Solve for x
    x = 10,172,307,620.32/109,645.04
  6. Step 6: Final answer
    x = 92,774.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.