Home / 113,185.81-156,199.34-62,199.95

Finding the Fourth Proportional to 113,185.81, 156,199.34 and 62,199.95

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Solution

The fourth proportional to 113,185.81, 156,199.34 and 62,199.95 is: 85,837.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,185.81 : 156,199.34 = 62,199.95 : x
  2. Step 2: Convert to fraction form
    113,185.81/156,199.34 = 62,199.95/x
  3. Step 3: Cross multiply
    113,185.81x = 156,199.34 × 62,199.95
  4. Step 4: Simplify right side
    113,185.81x = 9,715,591,684.03
  5. Step 5: Solve for x
    x = 9,715,591,684.03/113,185.81
  6. Step 6: Final answer
    x = 85,837.54

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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.