Home / 113,219.28-169,667.99-83,402.64

Finding the Fourth Proportional to 113,219.28, 169,667.99 and 83,402.64

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Solution

The fourth proportional to 113,219.28, 169,667.99 and 83,402.64 is: 124,985.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,219.28 : 169,667.99 = 83,402.64 : x
  2. Step 2: Convert to fraction form
    113,219.28/169,667.99 = 83,402.64/x
  3. Step 3: Cross multiply
    113,219.28x = 169,667.99 × 83,402.64
  4. Step 4: Simplify right side
    113,219.28x = 14,150,758,289.49
  5. Step 5: Solve for x
    x = 14,150,758,289.49/113,219.28
  6. Step 6: Final answer
    x = 124,985.41

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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.