Home / 114,090.64-157,477.96-80,107.40

Finding the Fourth Proportional to 114,090.64, 157,477.96 and 80,107.40

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Solution

The fourth proportional to 114,090.64, 157,477.96 and 80,107.40 is: 110,571.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,090.64 : 157,477.96 = 80,107.40 : x
  2. Step 2: Convert to fraction form
    114,090.64/157,477.96 = 80,107.40/x
  3. Step 3: Cross multiply
    114,090.64x = 157,477.96 × 80,107.40
  4. Step 4: Simplify right side
    114,090.64x = 12,615,149,090.32
  5. Step 5: Solve for x
    x = 12,615,149,090.32/114,090.64
  6. Step 6: Final answer
    x = 110,571.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.