Home / 105,629.37-158,337.44-66,214.17

Finding the Fourth Proportional to 105,629.37, 158,337.44 and 66,214.17

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Solution

The fourth proportional to 105,629.37, 158,337.44 and 66,214.17 is: 99,254.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,629.37 : 158,337.44 = 66,214.17 : x
  2. Step 2: Convert to fraction form
    105,629.37/158,337.44 = 66,214.17/x
  3. Step 3: Cross multiply
    105,629.37x = 158,337.44 × 66,214.17
  4. Step 4: Simplify right side
    105,629.37x = 10,484,181,865.45
  5. Step 5: Solve for x
    x = 10,484,181,865.45/105,629.37
  6. Step 6: Final answer
    x = 99,254.42

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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.