Home / 156,628.30-234,942.45-77,896.30

Finding the Fourth Proportional to 156,628.30, 234,942.45 and 77,896.30

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Solution

The fourth proportional to 156,628.30, 234,942.45 and 77,896.30 is: 116,844.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,628.30 : 234,942.45 = 77,896.30 : x
  2. Step 2: Convert to fraction form
    156,628.30/234,942.45 = 77,896.30/x
  3. Step 3: Cross multiply
    156,628.30x = 234,942.45 × 77,896.30
  4. Step 4: Simplify right side
    156,628.30x = 18,301,147,567.94
  5. Step 5: Solve for x
    x = 18,301,147,567.94/156,628.30
  6. Step 6: Final answer
    x = 116,844.45

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Similar ratio
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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.