Home / 104,269.10-143,891.55-56,522.30

Finding the Fourth Proportional to 104,269.10, 143,891.55 and 56,522.30

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Solution

The fourth proportional to 104,269.10, 143,891.55 and 56,522.30 is: 78,000.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,269.10 : 143,891.55 = 56,522.30 : x
  2. Step 2: Convert to fraction form
    104,269.10/143,891.55 = 56,522.30/x
  3. Step 3: Cross multiply
    104,269.10x = 143,891.55 × 56,522.30
  4. Step 4: Simplify right side
    104,269.10x = 8,133,081,356.57
  5. Step 5: Solve for x
    x = 8,133,081,356.57/104,269.10
  6. Step 6: Final answer
    x = 78,000.88

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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.