Home / 161,140.52-241,762.42-66,415.06

Finding the Fourth Proportional to 161,140.52, 241,762.42 and 66,415.06

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Solution

The fourth proportional to 161,140.52, 241,762.42 and 66,415.06 is: 99,643.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,140.52 : 241,762.42 = 66,415.06 : x
  2. Step 2: Convert to fraction form
    161,140.52/241,762.42 = 66,415.06/x
  3. Step 3: Cross multiply
    161,140.52x = 241,762.42 × 66,415.06
  4. Step 4: Simplify right side
    161,140.52x = 16,056,665,630.05
  5. Step 5: Solve for x
    x = 16,056,665,630.05/161,140.52
  6. Step 6: Final answer
    x = 99,643.87

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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.