Home / 113,150.31-156,147.48-62,166.32

Finding the Fourth Proportional to 113,150.31, 156,147.48 and 62,166.32

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Solution

The fourth proportional to 113,150.31, 156,147.48 and 62,166.32 is: 85,789.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,150.31 : 156,147.48 = 62,166.32 : x
  2. Step 2: Convert to fraction form
    113,150.31/156,147.48 = 62,166.32/x
  3. Step 3: Cross multiply
    113,150.31x = 156,147.48 × 62,166.32
  4. Step 4: Simplify right side
    113,150.31x = 9,707,114,208.87
  5. Step 5: Solve for x
    x = 9,707,114,208.87/113,150.31
  6. Step 6: Final answer
    x = 85,789.55

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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.