Home / 104,313.60-156,178.08-54,284.64

Finding the Fourth Proportional to 104,313.60, 156,178.08 and 54,284.64

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Solution

The fourth proportional to 104,313.60, 156,178.08 and 54,284.64 is: 81,274.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,313.60 : 156,178.08 = 54,284.64 : x
  2. Step 2: Convert to fraction form
    104,313.60/156,178.08 = 54,284.64/x
  3. Step 3: Cross multiply
    104,313.60x = 156,178.08 × 54,284.64
  4. Step 4: Simplify right side
    104,313.60x = 8,478,070,848.69
  5. Step 5: Solve for x
    x = 8,478,070,848.69/104,313.60
  6. Step 6: Final answer
    x = 81,274.84

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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.