Home / 113,166.40-156,173-62,182.31

Finding the Fourth Proportional to 113,166.40, 156,173 and 62,182.31

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Solution

The fourth proportional to 113,166.40, 156,173 and 62,182.31 is: 85,813.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,166.40 : 156,173 = 62,182.31 : x
  2. Step 2: Convert to fraction form
    113,166.40/156,173 = 62,182.31/x
  3. Step 3: Cross multiply
    113,166.40x = 156,173 × 62,182.31
  4. Step 4: Simplify right side
    113,166.40x = 9,711,197,899.63
  5. Step 5: Solve for x
    x = 9,711,197,899.63/113,166.40
  6. Step 6: Final answer
    x = 85,813.44

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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.