Home / 105,650.28-158,484.06-43,321.32

Finding the Fourth Proportional to 105,650.28, 158,484.06 and 43,321.32

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Solution

The fourth proportional to 105,650.28, 158,484.06 and 43,321.32 is: 64,985.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,650.28 : 158,484.06 = 43,321.32 : x
  2. Step 2: Convert to fraction form
    105,650.28/158,484.06 = 43,321.32/x
  3. Step 3: Cross multiply
    105,650.28x = 158,484.06 × 43,321.32
  4. Step 4: Simplify right side
    105,650.28x = 6,865,738,678.16
  5. Step 5: Solve for x
    x = 6,865,738,678.16/105,650.28
  6. Step 6: Final answer
    x = 64,985.52

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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.