Home / 113,624.70-156,813.75-68,317.44

Finding the Fourth Proportional to 113,624.70, 156,813.75 and 68,317.44

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Solution

The fourth proportional to 113,624.70, 156,813.75 and 68,317.44 is: 94,285.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,624.70 : 156,813.75 = 68,317.44 : x
  2. Step 2: Convert to fraction form
    113,624.70/156,813.75 = 68,317.44/x
  3. Step 3: Cross multiply
    113,624.70x = 156,813.75 × 68,317.44
  4. Step 4: Simplify right side
    113,624.70x = 10,713,113,956.80
  5. Step 5: Solve for x
    x = 10,713,113,956.80/113,624.70
  6. Step 6: Final answer
    x = 94,285.08

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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.