Home / 113,533.26-156,651.93-65,783.70

Finding the Fourth Proportional to 113,533.26, 156,651.93 and 65,783.70

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Solution

The fourth proportional to 113,533.26, 156,651.93 and 65,783.70 is: 90,767.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,533.26 : 156,651.93 = 65,783.70 : x
  2. Step 2: Convert to fraction form
    113,533.26/156,651.93 = 65,783.70/x
  3. Step 3: Cross multiply
    113,533.26x = 156,651.93 × 65,783.70
  4. Step 4: Simplify right side
    113,533.26x = 10,305,143,567.54
  5. Step 5: Solve for x
    x = 10,305,143,567.54/113,533.26
  6. Step 6: Final answer
    x = 90,767.62

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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.