Home / 134,515.40-185,617.52-82,824.30

Finding the Fourth Proportional to 134,515.40, 185,617.52 and 82,824.30

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Solution

The fourth proportional to 134,515.40, 185,617.52 and 82,824.30 is: 114,289.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,515.40 : 185,617.52 = 82,824.30 : x
  2. Step 2: Convert to fraction form
    134,515.40/185,617.52 = 82,824.30/x
  3. Step 3: Cross multiply
    134,515.40x = 185,617.52 × 82,824.30
  4. Step 4: Simplify right side
    134,515.40x = 15,373,641,161.74
  5. Step 5: Solve for x
    x = 15,373,641,161.74/134,515.40
  6. Step 6: Final answer
    x = 114,289.08

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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.