Home / 103,520.64-142,883.52-96,516.48

Finding the Fourth Proportional to 103,520.64, 142,883.52 and 96,516.48

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Solution

The fourth proportional to 103,520.64, 142,883.52 and 96,516.48 is: 133,216.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,520.64 : 142,883.52 = 96,516.48 : x
  2. Step 2: Convert to fraction form
    103,520.64/142,883.52 = 96,516.48/x
  3. Step 3: Cross multiply
    103,520.64x = 142,883.52 × 96,516.48
  4. Step 4: Simplify right side
    103,520.64x = 13,790,614,400.41
  5. Step 5: Solve for x
    x = 13,790,614,400.41/103,520.64
  6. Step 6: Final answer
    x = 133,216.09

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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.