Home / 113,246.71-156,173.07-74,416.23

Finding the Fourth Proportional to 113,246.71, 156,173.07 and 74,416.23

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Solution

The fourth proportional to 113,246.71, 156,173.07 and 74,416.23 is: 102,623.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,246.71 : 156,173.07 = 74,416.23 : x
  2. Step 2: Convert to fraction form
    113,246.71/156,173.07 = 74,416.23/x
  3. Step 3: Cross multiply
    113,246.71x = 156,173.07 × 74,416.23
  4. Step 4: Simplify right side
    113,246.71x = 11,621,810,986.10
  5. Step 5: Solve for x
    x = 11,621,810,986.10/113,246.71
  6. Step 6: Final answer
    x = 102,623.83

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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.