Home / 156,786.77-216,455.49-103,227.48

Finding the Fourth Proportional to 156,786.77, 216,455.49 and 103,227.48

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Solution

The fourth proportional to 156,786.77, 216,455.49 and 103,227.48 is: 142,513.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,786.77 : 216,455.49 = 103,227.48 : x
  2. Step 2: Convert to fraction form
    156,786.77/216,455.49 = 103,227.48/x
  3. Step 3: Cross multiply
    156,786.77x = 216,455.49 × 103,227.48
  4. Step 4: Simplify right side
    156,786.77x = 22,344,154,764.87
  5. Step 5: Solve for x
    x = 22,344,154,764.87/156,786.77
  6. Step 6: Final answer
    x = 142,513.01

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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.