Home / 236,700.30-355,160.20-103,563.02

Finding the Fourth Proportional to 236,700.30, 355,160.20 and 103,563.02

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Solution

The fourth proportional to 236,700.30, 355,160.20 and 103,563.02 is: 155,392.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,700.30 : 355,160.20 = 103,563.02 : x
  2. Step 2: Convert to fraction form
    236,700.30/355,160.20 = 103,563.02/x
  3. Step 3: Cross multiply
    236,700.30x = 355,160.20 × 103,563.02
  4. Step 4: Simplify right side
    236,700.30x = 36,781,462,895.80
  5. Step 5: Solve for x
    x = 36,781,462,895.80/236,700.30
  6. Step 6: Final answer
    x = 155,392.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.