Home / 113,638.24-156,813.66-62,648.32

Finding the Fourth Proportional to 113,638.24, 156,813.66 and 62,648.32

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Solution

The fourth proportional to 113,638.24, 156,813.66 and 62,648.32 is: 86,450.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,638.24 : 156,813.66 = 62,648.32 : x
  2. Step 2: Convert to fraction form
    113,638.24/156,813.66 = 62,648.32/x
  3. Step 3: Cross multiply
    113,638.24x = 156,813.66 × 62,648.32
  4. Step 4: Simplify right side
    113,638.24x = 9,824,112,352.05
  5. Step 5: Solve for x
    x = 9,824,112,352.05/113,638.24
  6. Step 6: Final answer
    x = 86,450.76

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1.5x scale

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.