Home / 160,577.64-240,688.26-81,528.12

Finding the Fourth Proportional to 160,577.64, 240,688.26 and 81,528.12

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Solution

The fourth proportional to 160,577.64, 240,688.26 and 81,528.12 is: 122,201.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,577.64 : 240,688.26 = 81,528.12 : x
  2. Step 2: Convert to fraction form
    160,577.64/240,688.26 = 81,528.12/x
  3. Step 3: Cross multiply
    160,577.64x = 240,688.26 × 81,528.12
  4. Step 4: Simplify right side
    160,577.64x = 19,622,861,343.87
  5. Step 5: Solve for x
    x = 19,622,861,343.87/160,577.64
  6. Step 6: Final answer
    x = 122,201.70

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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.