Home / 104,516.20-144,231.78-56,769.16

Finding the Fourth Proportional to 104,516.20, 144,231.78 and 56,769.16

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Solution

The fourth proportional to 104,516.20, 144,231.78 and 56,769.16 is: 78,341.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,516.20 : 144,231.78 = 56,769.16 : x
  2. Step 2: Convert to fraction form
    104,516.20/144,231.78 = 56,769.16/x
  3. Step 3: Cross multiply
    104,516.20x = 144,231.78 × 56,769.16
  4. Step 4: Simplify right side
    104,516.20x = 8,187,916,995.90
  5. Step 5: Solve for x
    x = 8,187,916,995.90/104,516.20
  6. Step 6: Final answer
    x = 78,341.13

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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.