Home / 105,516.10-158,200.32-52,896.88

Finding the Fourth Proportional to 105,516.10, 158,200.32 and 52,896.88

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Solution

The fourth proportional to 105,516.10, 158,200.32 and 52,896.88 is: 79,308.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,516.10 : 158,200.32 = 52,896.88 : x
  2. Step 2: Convert to fraction form
    105,516.10/158,200.32 = 52,896.88/x
  3. Step 3: Cross multiply
    105,516.10x = 158,200.32 × 52,896.88
  4. Step 4: Simplify right side
    105,516.10x = 8,368,303,343.00
  5. Step 5: Solve for x
    x = 8,368,303,343.00/105,516.10
  6. Step 6: Final answer
    x = 79,308.31

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1.5x scale

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.