Home / 113,450.08-156,559.56-63,149.12

Finding the Fourth Proportional to 113,450.08, 156,559.56 and 63,149.12

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Solution

The fourth proportional to 113,450.08, 156,559.56 and 63,149.12 is: 87,144.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,450.08 : 156,559.56 = 63,149.12 : x
  2. Step 2: Convert to fraction form
    113,450.08/156,559.56 = 63,149.12/x
  3. Step 3: Cross multiply
    113,450.08x = 156,559.56 × 63,149.12
  4. Step 4: Simplify right side
    113,450.08x = 9,886,598,441.59
  5. Step 5: Solve for x
    x = 9,886,598,441.59/113,450.08
  6. Step 6: Final answer
    x = 87,144.92

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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.